76223664 has 60 divisors (see below), whose sum is σ = 232717992. Its totient is φ = 23097600.

The previous prime is 76223647. The next prime is 76223681. The reversal of 76223664 is 46632267.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (76223647) and next prime (76223681).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22477 + ... + 25644.

Almost surely, 2^76223664 is an apocalyptic number.

It is an amenable number.

76223664 is an abundant number, since it is smaller than the sum of its proper divisors (156494328).

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

76223664 is a wasteful number, since it uses less digits than its factorization.

76223664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48146 (or 48137 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 76223664 is about 8730.6164730791. The cubic root of 76223664 is about 423.9974783284.

The spelling of 76223664 in words is "seventy-six million, two hundred twenty-three thousand, six hundred sixty-four".