7974531 has 14 divisors (see below), whose sum is σ = 11957420. Its totient is φ = 5315868.

The previous prime is 7974511. The next prime is 7974587. The reversal of 7974531 is 1354797.

It is a happy number.

It is not a de Polignac number, because 7974531 - 2⁷ = 7974403 is a prime.

It is a super-2 number, since 2×7974531² = 127186289339922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7974511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4741 + ... + 6198.

Almost surely, 2^7974531 is an apocalyptic number.

7974531 is a deficient number, since it is larger than the sum of its proper divisors (3982889).

7974531 is an equidigital number, since it uses as much as digits as its factorization.

7974531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10957 (or 10942 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 7974531 is about 2823.9212099490. The cubic root of 7974531 is about 199.7875327015.

The spelling of 7974531 in words is "seven million, nine hundred seventy-four thousand, five hundred thirty-one".