72213426715 has 32 divisors (see below), whose sum is σ = 92013719040. Its totient is φ = 54288512256.

The previous prime is 72213426709. The next prime is 72213426737. The reversal of 72213426715 is 51762431227.

It is a cyclic number.

It is not a de Polignac number, because 72213426715 - 2⁵ = 72213426683 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18405744 + ... + 18409666.

It is an arithmetic number, because the mean of its divisors is an integer number (2875428720).

Almost surely, 2^72213426715 is an apocalyptic number.

72213426715 is a deficient number, since it is larger than the sum of its proper divisors (19800292325).

72213426715 is a wasteful number, since it uses less digits than its factorization.

72213426715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723.

The product of its digits is 141120, while the sum is 40.

The spelling of 72213426715 in words is "seventy-two billion, two hundred thirteen million, four hundred twenty-six thousand, seven hundred fifteen".