72546115364 has 24 divisors (see below), whose sum is σ = 127507875768. Its totient is φ = 36115591680.

The previous prime is 72546115331. The next prime is 72546115387. The reversal of 72546115364 is 46351164527.

It can be written as a sum of positive squares in 4 ways, for example, as 6594739264 + 65951376100 = 81208^2 + 256810^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951374 + ... + 1024794.

It is an arithmetic number, because the mean of its divisors is an integer number (5312828157).

Almost surely, 2^72546115364 is an apocalyptic number.

It is an amenable number.

72546115364 is a deficient number, since it is larger than the sum of its proper divisors (54961760404).

72546115364 is a wasteful number, since it uses less digits than its factorization.

72546115364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74495 (or 74493 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The spelling of 72546115364 in words is "seventy-two billion, five hundred forty-six million, one hundred fifteen thousand, three hundred sixty-four".