It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 790 729 is not a prime number.
For example, 790 729 can be divided by 101: 790 729 / 101 = 7 829.
For 790 729 to be a prime number, it would have been required that 790 729 has only two divisors, i.e., itself and 1.
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790 729 is an odd number, because it is not evenly divisible by 2.
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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 790 729 is about 889.229.
Thus, the square root of 790 729 is not an integer, and therefore 790 729 is not a square number.
The square of a number (here 790 729) is the result of the product of this number (790 729) by itself (i.e., 790 729 × 790 729); the square of 790 729 is sometimes called "raising 790 729 to the power 2", or "790 729 squared".
The square of 790 729 is 625 252 351 441 because 790 729 × 790 729 = 790 7292 = 625 252 351 441.
As a consequence, 790 729 is the square root of 625 252 351 441.
The multiples of 790 729 are all integers evenly divisible by 790 729, that is all numbers such that the remainder of the division by 790 729 is zero. There are infinitely many multiples of 790 729. The smallest multiples of 790 729 are: