72238536254 has 16 divisors (see below), whose sum is σ = 115039405008. Its totient is φ = 33903460992.

The previous prime is 72238536247. The next prime is 72238536263. The reversal of 72238536254 is 45263583227.

It is a super-2 number, since 2×72238536254² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72238536199 and 72238536208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2835392 + ... + 2860755.

It is an arithmetic number, because the mean of its divisors is an integer number (7189962813).

Almost surely, 2^72238536254 is an apocalyptic number.

72238536254 is a deficient number, since it is larger than the sum of its proper divisors (42800868754).

72238536254 is a wasteful number, since it uses less digits than its factorization.

72238536254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696539.

The product of its digits is 2419200, while the sum is 47.

The spelling of 72238536254 in words is "seventy-two billion, two hundred thirty-eight million, five hundred thirty-six thousand, two hundred fifty-four".