It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 267 674 is not a prime number.
For example, 267 674 can be divided by 2: 267 674 / 2 = 133 837.
For 267 674 to be a prime number, it would have been required that 267 674 has only two divisors, i.e., itself and 1.
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267 674 is an even number, because it is evenly divisible by 2: 267 674 / 2 = 133 837.
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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 267 674 is about 517.372.
Thus, the square root of 267 674 is not an integer, and therefore 267 674 is not a square number.
The square of a number (here 267 674) is the result of the product of this number (267 674) by itself (i.e., 267 674 × 267 674); the square of 267 674 is sometimes called "raising 267 674 to the power 2", or "267 674 squared".
The square of 267 674 is 71 649 370 276 because 267 674 × 267 674 = 267 6742 = 71 649 370 276.
As a consequence, 267 674 is the square root of 71 649 370 276.
The multiples of 267 674 are all integers evenly divisible by 267 674, that is all numbers such that the remainder of the division by 267 674 is zero. There are infinitely many multiples of 267 674. The smallest multiples of 267 674 are: