76981960 has 32 divisors (see below), whose sum is σ = 188956800. Its totient is φ = 27993280.

The previous prime is 76981937. The next prime is 76981973. The reversal of 76981960 is 6918967.

It is a self number, because there is not a number n which added to its sum of digits gives 76981960.

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, 87040 + ... + 87919.

It is an arithmetic number, because the mean of its divisors is an integer number (5904900).

Almost surely, 2^76981960 is an apocalyptic number.

It is an amenable number.

76981960 is an abundant number, since it is smaller than the sum of its proper divisors (111974840).

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

76981960 is a wasteful number, since it uses less digits than its factorization.

76981960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174981 (or 174977 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 76981960 is about 8773.9364027784. The cubic root of 76981960 is about 425.3988596964.

The spelling of 76981960 in words is "seventy-six million, nine hundred eighty-one thousand, nine hundred sixty".