7700664 has 16 divisors (see below), whose sum is σ = 19251720. Its totient is φ = 2566880.

The previous prime is 7700659. The next prime is 7700687. The reversal of 7700664 is 4660077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160407 + ... + 160454.

Almost surely, 2^7700664 is an apocalyptic number.

It is an amenable number.

7700664 is an abundant number, since it is smaller than the sum of its proper divisors (11551056).

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

7700664 is a wasteful number, since it uses less digits than its factorization.

7700664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320870 (or 320866 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 7700664 is about 2775.0070270181. The cubic root of 7700664 is about 197.4737581969.

The spelling of 7700664 in words is "seven million, seven hundred thousand, six hundred sixty-four".