76943664 has 60 divisors (see below), whose sum is σ = 246100816. Its totient is φ = 21983616.

The previous prime is 76943639. The next prime is 76943707. The reversal of 76943664 is 46634967.

It is a nude number because it is divisible by every one of its digits.

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, 37159 + ... + 39174.

Almost surely, 2^76943664 is an apocalyptic number.

It is an amenable number.

76943664 is an abundant number, since it is smaller than the sum of its proper divisors (169157152).

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

76943664 is a wasteful number, since it uses less digits than its factorization.

76943664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76354 (or 76345 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 76943664 is about 8771.7537585137. The cubic root of 76943664 is about 425.3283073363.

The spelling of 76943664 in words is "seventy-six million, nine hundred forty-three thousand, six hundred sixty-four".