It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 494 729 is not a prime number.
For example, 494 729 can be divided by 31: 494 729 / 31 = 15 959.
For 494 729 to be a prime number, it would have been required that 494 729 has only two divisors, i.e., itself and 1.
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494 729 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 494 729 is about 703.370.
Thus, the square root of 494 729 is not an integer, and therefore 494 729 is not a square number.
The square of a number (here 494 729) is the result of the product of this number (494 729) by itself (i.e., 494 729 × 494 729); the square of 494 729 is sometimes called "raising 494 729 to the power 2", or "494 729 squared".
The square of 494 729 is 244 756 783 441 because 494 729 × 494 729 = 494 7292 = 244 756 783 441.
As a consequence, 494 729 is the square root of 244 756 783 441.
The multiples of 494 729 are all integers evenly divisible by 494 729, that is all numbers such that the remainder of the division by 494 729 is zero. There are infinitely many multiples of 494 729. The smallest multiples of 494 729 are: