72480712322 has 6 divisors (see below), whose sum is σ = 108721639593. Its totient is φ = 36240165792.

The previous prime is 72480712319. The next prime is 72480712331. The reversal of 72480712322 is 22321708427.

It can be written as a sum of positive squares in 2 ways, for example, as 37884340321 + 34596372001 = 194639^2 + 186001^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=190369.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 285554 + ... + 475922.

Almost surely, 2^72480712322 is an apocalyptic number.

72480712322 is a deficient number, since it is larger than the sum of its proper divisors (36240927271).

72480712322 is an frugal number, since it uses more digits than its factorization.

72480712322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380740 (or 190371 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 72480712322 in words is "seventy-two billion, four hundred eighty million, seven hundred twelve thousand, three hundred twenty-two".