76568664 has 32 divisors (see below), whose sum is σ = 194563440. Its totient is φ = 25104000.

The previous prime is 76568659. The next prime is 76568677. The reversal of 76568664 is 46686567.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24687 + ... + 27614.

Almost surely, 2^76568664 is an apocalyptic number.

It is an amenable number.

76568664 is an abundant number, since it is smaller than the sum of its proper divisors (117994776).

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

76568664 is a wasteful number, since it uses less digits than its factorization.

76568664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52371 (or 52367 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 76568664 is about 8750.3522214823. The cubic root of 76568664 is about 424.6362081826.

The spelling of 76568664 in words is "seventy-six million, five hundred sixty-eight thousand, six hundred sixty-four".