79689273 has 16 divisors (see below), whose sum is σ = 111390720. Its totient is φ = 50578704.

The previous prime is 79689229. The next prime is 79689289. The reversal of 79689273 is 37298697.

It is not a de Polignac number, because 79689273 - 2²⁰ = 78640697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79689073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12798 + ... + 17976.

It is an arithmetic number, because the mean of its divisors is an integer number (6961920).

Almost surely, 2^79689273 is an apocalyptic number.

It is an amenable number.

79689273 is a deficient number, since it is larger than the sum of its proper divisors (31701447).

79689273 is a wasteful number, since it uses less digits than its factorization.

79689273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428.

The product of its digits is 1143072, while the sum is 51.

The square root of 79689273 is about 8926.8848429897. The cubic root of 79689273 is about 430.3283466518.

The spelling of 79689273 in words is "seventy-nine million, six hundred eighty-nine thousand, two hundred seventy-three".