72238536271 has 8 divisors (see below), whose sum is σ = 83441304144. Its totient is φ = 61808373120.

The previous prime is 72238536263. The next prime is 72238536277. The reversal of 72238536271 is 17263583227.

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

It is a cyclic number.

It is not a de Polignac number, because 72238536271 - 2³ = 72238536263 is a prime.

It is a super-2 number, since 2×72238536271² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72238536277) 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, 193150980 + ... + 193151353.

It is an arithmetic number, because the mean of its divisors is an integer number (10430163018).

Almost surely, 2^72238536271 is an apocalyptic number.

72238536271 is a deficient number, since it is larger than the sum of its proper divisors (11202767873).

72238536271 is a wasteful number, since it uses less digits than its factorization.

72238536271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386302361.

The product of its digits is 846720, while the sum is 46.

The spelling of 72238536271 in words is "seventy-two billion, two hundred thirty-eight million, five hundred thirty-six thousand, two hundred seventy-one".