It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 270 504 is not a prime number.
For example, 270 504 can be divided by 2: 270 504 / 2 = 135 252.
For 270 504 to be a prime number, it would have been required that 270 504 has only two divisors, i.e., itself and 1.
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270 504 is an even number, because it is evenly divisible by 2: 270 504 / 2 = 135 252.
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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 270 504 is about 520.100.
Thus, the square root of 270 504 is not an integer, and therefore 270 504 is not a square number.
The square of a number (here 270 504) is the result of the product of this number (270 504) by itself (i.e., 270 504 × 270 504); the square of 270 504 is sometimes called "raising 270 504 to the power 2", or "270 504 squared".
The square of 270 504 is 73 172 414 016 because 270 504 × 270 504 = 270 5042 = 73 172 414 016.
As a consequence, 270 504 is the square root of 73 172 414 016.
The multiples of 270 504 are all integers evenly divisible by 270 504, that is all numbers such that the remainder of the division by 270 504 is zero. There are infinitely many multiples of 270 504. The smallest multiples of 270 504 are: