72356557227 has 8 divisors (see below), whose sum is σ = 96671899200. Its totient is φ = 48139460040.

The previous prime is 72356557183. The next prime is 72356557237. The reversal of 72356557227 is 72275565327.

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

It is not a de Polignac number, because 72356557227 - 2¹¹ = 72356555179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72356557227.

It is not an unprimeable number, because it can be changed into a prime (72356557237) 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, 24559477 + ... + 24562422.

It is an arithmetic number, because the mean of its divisors is an integer number (12083987400).

Almost surely, 2^72356557227 is an apocalyptic number.

72356557227 is a deficient number, since it is larger than the sum of its proper divisors (24315341973).

72356557227 is a wasteful number, since it uses less digits than its factorization.

72356557227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49122393.

The product of its digits is 6174000, while the sum is 51.

The spelling of 72356557227 in words is "seventy-two billion, three hundred fifty-six million, five hundred fifty-seven thousand, two hundred twenty-seven".