76731966 has 12 divisors (see below), whose sum is σ = 166252632. Its totient is φ = 25577316.

The previous prime is 76731929. The next prime is 76732001. The reversal of 76731966 is 66913767.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2131426 + ... + 2131461.

It is an arithmetic number, because the mean of its divisors is an integer number (13854386).

Almost surely, 2^76731966 is an apocalyptic number.

76731966 is an abundant number, since it is smaller than the sum of its proper divisors (89520666).

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

76731966 is a wasteful number, since it uses less digits than its factorization.

76731966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262895 (or 4262892 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 76731966 is about 8759.6784187549. The cubic root of 76731966 is about 424.9378751176.

The spelling of 76731966 in words is "seventy-six million, seven hundred thirty-one thousand, nine hundred sixty-six".