72007725488 has 20 divisors (see below), whose sum is σ = 139846370688. Its totient is φ = 35918339520.

The previous prime is 72007725421. The next prime is 72007725509. The reversal of 72007725488 is 88452770027.

It is a super-2 number, since 2×72007725488² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 5338256 + ... + 5351727.

Almost surely, 2^72007725488 is an apocalyptic number.

It is an amenable number.

72007725488 is a deficient number, since it is larger than the sum of its proper divisors (67838645200).

72007725488 is a wasteful number, since it uses less digits than its factorization.

72007725488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10690412 (or 10690406 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 50.

The spelling of 72007725488 in words is "seventy-two billion, seven million, seven hundred twenty-five thousand, four hundred eighty-eight".