It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 167 742 is not a prime number.
For example, 167 742 can be divided by 2: 167 742 / 2 = 83 871.
For 167 742 to be a prime number, it would have been required that 167 742 has only two divisors, i.e., itself and 1.
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167 742 is an even number, because it is evenly divisible by 2: 167 742 / 2 = 83 871.
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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 167 742 is about 409.563.
Thus, the square root of 167 742 is not an integer, and therefore 167 742 is not a square number.
The square of a number (here 167 742) is the result of the product of this number (167 742) by itself (i.e., 167 742 × 167 742); the square of 167 742 is sometimes called "raising 167 742 to the power 2", or "167 742 squared".
The square of 167 742 is 28 137 378 564 because 167 742 × 167 742 = 167 7422 = 28 137 378 564.
As a consequence, 167 742 is the square root of 28 137 378 564.
The multiples of 167 742 are all integers evenly divisible by 167 742, that is all numbers such that the remainder of the division by 167 742 is zero. There are infinitely many multiples of 167 742. The smallest multiples of 167 742 are: