72707066304 has 56 divisors (see below), whose sum is σ = 192390735360. Its totient is φ = 24233174784.

The previous prime is 72707066303. The next prime is 72707066323. The reversal of 72707066304 is 40366070727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72707066303) 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, 3248817 + ... + 3271119.

Almost surely, 2^72707066304 is an apocalyptic number.

It is an amenable number.

72707066304 is an abundant number, since it is smaller than the sum of its proper divisors (119683669056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72707066304 is a wasteful number, since it uses less digits than its factorization.

72707066304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39297 (or 39287 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 72707066304 in words is "seventy-two billion, seven hundred seven million, sixty-six thousand, three hundred four".