72737207275 has 12 divisors (see below), whose sum is σ = 93103626304. Its totient is φ = 56312676000.

The previous prime is 72737207243. The next prime is 72737207281. The reversal of 72737207275 is 57270273727.

It is a happy number.

It is not a de Polignac number, because 72737207275 - 2⁵ = 72737207243 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 46926456 + ... + 46928005.

Almost surely, 2^72737207275 is an apocalyptic number.

72737207275 is a deficient number, since it is larger than the sum of its proper divisors (20366419029).

72737207275 is a wasteful number, since it uses less digits than its factorization.

72737207275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93854502 (or 93854497 counting only the distinct ones).

The product of its (nonzero) digits is 2016840, while the sum is 49.

The spelling of 72737207275 in words is "seventy-two billion, seven hundred thirty-seven million, two hundred seven thousand, two hundred seventy-five".