72718000426 has 16 divisors (see below), whose sum is σ = 110173339584. Its totient is φ = 35995290624.

The previous prime is 72718000417. The next prime is 72718000451. The reversal of 72718000426 is 62400081727.

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, 350190 + ... + 517753.

It is an arithmetic number, because the mean of its divisors is an integer number (6885833724).

Almost surely, 2^72718000426 is an apocalyptic number.

72718000426 is a deficient number, since it is larger than the sum of its proper divisors (37455339158).

72718000426 is a wasteful number, since it uses less digits than its factorization.

72718000426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868365.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 72718000426 in words is "seventy-two billion, seven hundred eighteen million, four hundred twenty-six", and thus it is an aban number.