76621264 has 20 divisors (see below), whose sum is σ = 149052960. Its totient is φ = 38156000.

The previous prime is 76621253. The next prime is 76621291. The reversal of 76621264 is 46212667.

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, 5524 + ... + 13555.

It is an arithmetic number, because the mean of its divisors is an integer number (7452648).

Almost surely, 2^76621264 is an apocalyptic number.

It is an amenable number.

76621264 is a deficient number, since it is larger than the sum of its proper divisors (72431696).

76621264 is a wasteful number, since it uses less digits than its factorization.

76621264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19338 (or 19332 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 76621264 is about 8753.3572987740. The cubic root of 76621264 is about 424.7334226769.

The spelling of 76621264 in words is "seventy-six million, six hundred twenty-one thousand, two hundred sixty-four".