72372670766 has 24 divisors (see below), whose sum is σ = 119344028160. Its totient is φ = 32891474880.

The previous prime is 72372670751. The next prime is 72372670789. The reversal of 72372670766 is 66707627327.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1804115 + ... + 1843793.

It is an arithmetic number, because the mean of its divisors is an integer number (4972667840).

Almost surely, 2^72372670766 is an apocalyptic number.

72372670766 is a deficient number, since it is larger than the sum of its proper divisors (46971357394).

72372670766 is a wasteful number, since it uses less digits than its factorization.

72372670766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47240 (or 47229 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 53.

The spelling of 72372670766 in words is "seventy-two billion, three hundred seventy-two million, six hundred seventy thousand, seven hundred sixty-six".