It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 267 474 is not a prime number.
For example, 267 474 can be divided by 2: 267 474 / 2 = 133 737.
For 267 474 to be a prime number, it would have been required that 267 474 has only two divisors, i.e., itself and 1.
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267 474 is an even number, because it is evenly divisible by 2: 267 474 / 2 = 133 737.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 267 474 is about 517.179.
Thus, the square root of 267 474 is not an integer, and therefore 267 474 is not a square number.
The square of a number (here 267 474) is the result of the product of this number (267 474) by itself (i.e., 267 474 × 267 474); the square of 267 474 is sometimes called "raising 267 474 to the power 2", or "267 474 squared".
The square of 267 474 is 71 542 340 676 because 267 474 × 267 474 = 267 4742 = 71 542 340 676.
As a consequence, 267 474 is the square root of 71 542 340 676.
The multiples of 267 474 are all integers evenly divisible by 267 474, that is all numbers such that the remainder of the division by 267 474 is zero. There are infinitely many multiples of 267 474. The smallest multiples of 267 474 are: