72980632976 has 20 divisors (see below), whose sum is σ = 141827176944. Its totient is φ = 36380071200.

The previous prime is 72980632973. The next prime is 72980632981. The reversal of 72980632976 is 67923608927.

It is not an unprimeable number, because it can be changed into a prime (72980632973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6884870 + ... + 6895461.

Almost surely, 2^72980632976 is an apocalyptic number.

It is an amenable number.

72980632976 is a deficient number, since it is larger than the sum of its proper divisors (68846543968).

72980632976 is a wasteful number, since it uses less digits than its factorization.

72980632976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13780670 (or 13780664 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 59.

The spelling of 72980632976 in words is "seventy-two billion, nine hundred eighty million, six hundred thirty-two thousand, nine hundred seventy-six".