7976664 has 32 divisors (see below), whose sum is σ = 22158000. Its totient is φ = 2658816.

The previous prime is 7976663. The next prime is 7976693. The reversal of 7976664 is 4666797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7976663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18249 + ... + 18680.

Almost surely, 2^7976664 is an apocalyptic number.

It is an amenable number.

7976664 is an abundant number, since it is smaller than the sum of its proper divisors (14181336).

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

7976664 is a wasteful number, since it uses less digits than its factorization.

7976664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36944 (or 36934 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 7976664 is about 2824.2988510425. The cubic root of 7976664 is about 199.8053439399.

The spelling of 7976664 in words is "seven million, nine hundred seventy-six thousand, six hundred sixty-four".