It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 708 494 is not a prime number.
For example, 708 494 can be divided by 2: 708 494 / 2 = 354 247.
For 708 494 to be a prime number, it would have been required that 708 494 has only two divisors, i.e., itself and 1.
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708 494 is an even number, because it is evenly divisible by 2: 708 494 / 2 = 354 247.
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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 708 494 is about 841.721.
Thus, the square root of 708 494 is not an integer, and therefore 708 494 is not a square number.
The square of a number (here 708 494) is the result of the product of this number (708 494) by itself (i.e., 708 494 × 708 494); the square of 708 494 is sometimes called "raising 708 494 to the power 2", or "708 494 squared".
The square of 708 494 is 501 963 748 036 because 708 494 × 708 494 = 708 4942 = 501 963 748 036.
As a consequence, 708 494 is the square root of 501 963 748 036.
The multiples of 708 494 are all integers evenly divisible by 708 494, that is all numbers such that the remainder of the division by 708 494 is zero. There are infinitely many multiples of 708 494. The smallest multiples of 708 494 are: