72179310576 has 40 divisors (see below), whose sum is σ = 192892988880. Its totient is φ = 23230122496.

The previous prime is 72179310569. The next prime is 72179310661. The reversal of 72179310576 is 67501397127.

It is a Harshad number since it is a multiple of its sum of digits (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, 25925085 + ... + 25927868.

It is an arithmetic number, because the mean of its divisors is an integer number (4822324722).

Almost surely, 2^72179310576 is an apocalyptic number.

It is an amenable number.

72179310576 is an abundant number, since it is smaller than the sum of its proper divisors (120713678304).

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

72179310576 is a wasteful number, since it uses less digits than its factorization.

72179310576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51852993 (or 51852987 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 48.

The spelling of 72179310576 in words is "seventy-two billion, one hundred seventy-nine million, three hundred ten thousand, five hundred seventy-six".