72630537772 has 24 divisors (see below), whose sum is σ = 136917799200. Its totient is φ = 33512683776.

The previous prime is 72630537767. The next prime is 72630537857. The reversal of 72630537772 is 27773503627.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5604 + ... + 381172.

It is an arithmetic number, because the mean of its divisors is an integer number (5704908300).

Almost surely, 2^72630537772 is an apocalyptic number.

It is an amenable number.

72630537772 is a deficient number, since it is larger than the sum of its proper divisors (64287261428).

72630537772 is a wasteful number, since it uses less digits than its factorization.

72630537772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379305 (or 379303 counting only the distinct ones).

The product of its (nonzero) digits is 2593080, while the sum is 49.

The spelling of 72630537772 in words is "seventy-two billion, six hundred thirty million, five hundred thirty-seven thousand, seven hundred seventy-two".