7974564 has 96 divisors (see below), whose sum is σ = 22127616. Its totient is φ = 2211840.

The previous prime is 7974511. The next prime is 7974587. The reversal of 7974564 is 4654797.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 82164 + ... + 82260.

It is an arithmetic number, because the mean of its divisors is an integer number (230496).

Almost surely, 2^7974564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7974564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11063808).

7974564 is an abundant number, since it is smaller than the sum of its proper divisors (14153052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7974564 is a wasteful number, since it uses less digits than its factorization.

7974564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 163 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 7974564 is about 2823.9270528822. The cubic root of 7974564 is about 199.7878082863.

The spelling of 7974564 in words is "seven million, nine hundred seventy-four thousand, five hundred sixty-four".