72789391175 has 12 divisors (see below), whose sum is σ = 90263166240. Its totient is φ = 58228725120.

The previous prime is 72789391163. The next prime is 72789391183. The reversal of 72789391175 is 57119398727.

It is not a de Polignac number, because 72789391175 - 2⁴ = 72789391159 is a prime.

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, 582671 + ... + 696479.

It is an arithmetic number, because the mean of its divisors is an integer number (7521930520).

Almost surely, 2^72789391175 is an apocalyptic number.

72789391175 is a deficient number, since it is larger than the sum of its proper divisors (17473775065).

72789391175 is a wasteful number, since it uses less digits than its factorization.

72789391175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139402 (or 139397 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 59.

The spelling of 72789391175 in words is "seventy-two billion, seven hundred eighty-nine million, three hundred ninety-one thousand, one hundred seventy-five".