72267714445231 has 16 divisors (see below), whose sum is σ = 77290430047488. Its totient is φ = 67403525112000.

The previous prime is 72267714445229. The next prime is 72267714445291. The reversal of 72267714445231 is 13254441776227.

It is a cyclic number.

It is not a de Polignac number, because 72267714445231 - 2¹ = 72267714445229 is a prime.

It is a super-2 number, since 2×72267714445231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72267714445291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18763245 + ... + 22284406.

It is an arithmetic number, because the mean of its divisors is an integer number (4830651877968).

Almost surely, 2^{72267714445231} is an apocalyptic number.

72267714445231 is a deficient number, since it is larger than the sum of its proper divisors (5022715602257).

72267714445231 is a wasteful number, since it uses less digits than its factorization.

72267714445231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41049582.

The product of its digits is 15805440, while the sum is 55.

The spelling of 72267714445231 in words is "seventy-two trillion, two hundred sixty-seven billion, seven hundred fourteen million, four hundred forty-five thousand, two hundred thirty-one".