72392873 has 8 divisors (see below), whose sum is σ = 83283840. Its totient is φ = 61639200.

The previous prime is 72392863. The next prime is 72392893. The reversal of 72392873 is 37829327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72392873 - 2¹⁰ = 72391849 is a prime.

It is a super-2 number, since 2×72392873² = 10481456122388258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72392873.

It is not an unprimeable number, because it can be changed into a prime (72392813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33188 + ... + 35301.

It is an arithmetic number, because the mean of its divisors is an integer number (10410480).

Almost surely, 2^72392873 is an apocalyptic number.

It is an amenable number.

72392873 is a deficient number, since it is larger than the sum of its proper divisors (10890967).

72392873 is a wasteful number, since it uses less digits than its factorization.

72392873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68647.

The product of its digits is 127008, while the sum is 41.

The square root of 72392873 is about 8508.4001433877. The cubic root of 72392873 is about 416.7720672732.

The spelling of 72392873 in words is "seventy-two million, three hundred ninety-two thousand, eight hundred seventy-three".