72715064992 has 96 divisors (see below), whose sum is σ = 146412826560. Its totient is φ = 35543439360.

The previous prime is 72715064987. The next prime is 72715064993. The reversal of 72715064992 is 29946051727.

It is not an unprimeable number, because it can be changed into a prime (72715064993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106463883 + ... + 106464565.

It is an arithmetic number, because the mean of its divisors is an integer number (1525133610).

Almost surely, 2^72715064992 is an apocalyptic number.

It is an amenable number.

72715064992 is an abundant number, since it is smaller than the sum of its proper divisors (73697761568).

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

72715064992 is a wasteful number, since it uses less digits than its factorization.

72715064992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 72715064992 in words is "seventy-two billion, seven hundred fifteen million, sixty-four thousand, nine hundred ninety-two".