It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 720 484 is not a prime number.
For example, 720 484 can be divided by 2: 720 484 / 2 = 360 242.
For 720 484 to be a prime number, it would have been required that 720 484 has only two divisors, i.e., itself and 1.
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720 484 is an even number, because it is evenly divisible by 2: 720 484 / 2 = 360 242.
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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 720 484 is about 848.813.
Thus, the square root of 720 484 is not an integer, and therefore 720 484 is not a square number.
The square of a number (here 720 484) is the result of the product of this number (720 484) by itself (i.e., 720 484 × 720 484); the square of 720 484 is sometimes called "raising 720 484 to the power 2", or "720 484 squared".
The square of 720 484 is 519 097 194 256 because 720 484 × 720 484 = 720 4842 = 519 097 194 256.
As a consequence, 720 484 is the square root of 519 097 194 256.
The multiples of 720 484 are all integers evenly divisible by 720 484, that is all numbers such that the remainder of the division by 720 484 is zero. There are infinitely many multiples of 720 484. The smallest multiples of 720 484 are: