71930976 has 48 divisors (see below), whose sum is σ = 203346864. Its totient is φ = 22132224.

The previous prime is 71930939. The next prime is 71930983. The reversal of 71930976 is 67903917.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 27571 + ... + 30066.

It is an arithmetic number, because the mean of its divisors is an integer number (4236393).

Almost surely, 2^71930976 is an apocalyptic number.

It is an amenable number.

71930976 is an abundant number, since it is smaller than the sum of its proper divisors (131415888).

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

71930976 is a wasteful number, since it uses less digits than its factorization.

71930976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57663 (or 57655 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 71930976 is about 8481.2131207746. The cubic root of 71930976 is about 415.8837816375.

The spelling of 71930976 in words is "seventy-one million, nine hundred thirty thousand, nine hundred seventy-six".