72322651684 has 24 divisors (see below), whose sum is σ = 130877107200. Its totient is φ = 34933295040.

The previous prime is 72322651663. The next prime is 72322651697. The reversal of 72322651684 is 48615622327.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 441964 + ... + 583075.

It is an arithmetic number, because the mean of its divisors is an integer number (5453212800).

Almost surely, 2^72322651684 is an apocalyptic number.

It is an amenable number.

72322651684 is a deficient number, since it is larger than the sum of its proper divisors (58554455516).

72322651684 is a wasteful number, since it uses less digits than its factorization.

72322651684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025643 (or 1025641 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The spelling of 72322651684 in words is "seventy-two billion, three hundred twenty-two million, six hundred fifty-one thousand, six hundred eighty-four".