72477136504 has 32 divisors (see below), whose sum is σ = 142885607040. Its totient is φ = 34398364000.

The previous prime is 72477136493. The next prime is 72477136513. The reversal of 72477136504 is 40563177427.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

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, 1479322 + ... + 1527529.

It is an arithmetic number, because the mean of its divisors is an integer number (4465175220).

Almost surely, 2^72477136504 is an apocalyptic number.

It is an amenable number.

72477136504 is a deficient number, since it is larger than the sum of its proper divisors (70408470536).

72477136504 is a wasteful number, since it uses less digits than its factorization.

72477136504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007011 (or 3007007 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 46.

It can be divided in two parts, 72477 and 136504, that added together give a triangular number (208981 = T₆₄₆).

The spelling of 72477136504 in words is "seventy-two billion, four hundred seventy-seven million, one hundred thirty-six thousand, five hundred four".