72251722715227 has 8 divisors (see below), whose sum is σ = 79322099751792. Its totient is φ = 65265018780000.

The previous prime is 72251722715209. The next prime is 72251722715269.

72251722715227 is nontrivially palindromic in base 10.

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 72251722715227 - 2¹¹ = 72251722713179 is a prime.

It is a super-2 number, since 2×72251722715227² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72251722515227) 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, 20918273524 + ... + 20918276977.

It is an arithmetic number, because the mean of its divisors is an integer number (9915262468974).

Almost surely, 2^{72251722715227} is an apocalyptic number.

72251722715227 is a deficient number, since it is larger than the sum of its proper divisors (7070377036565).

72251722715227 is a wasteful number, since it uses less digits than its factorization.

72251722715227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41836550669.

The product of its digits is 3841600, while the sum is 52.

The spelling of 72251722715227 in words is "seventy-two trillion, two hundred fifty-one billion, seven hundred twenty-two million, seven hundred fifteen thousand, two hundred twenty-seven".