72077382916 has 24 divisors (see below), whose sum is σ = 157259745216. Its totient is φ = 28082097120.

The previous prime is 72077382899. The next prime is 72077382919. The reversal of 72077382916 is 61928377027.

It is not an unprimeable number, because it can be changed into a prime (72077382919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117008431 + ... + 117009046.

It is an arithmetic number, because the mean of its divisors is an integer number (6552489384).

Almost surely, 2^72077382916 is an apocalyptic number.

It is an amenable number.

72077382916 is an abundant number, since it is smaller than the sum of its proper divisors (85182362300).

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

72077382916 is a wasteful number, since it uses less digits than its factorization.

72077382916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234017499 (or 234017497 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 72077382916 in words is "seventy-two billion, seventy-seven million, three hundred eighty-two thousand, nine hundred sixteen".