72293247684 has 48 divisors (see below), whose sum is σ = 214202217600. Its totient is φ = 20655213408.

The previous prime is 72293247671. The next prime is 72293247707. The reversal of 72293247684 is 48674239227.

72293247684 is a `hidden beast` number, since 7 + 2 + 2 + 93 + 2 + 476 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 72293247684.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47812239 + ... + 47813750.

It is an arithmetic number, because the mean of its divisors is an integer number (4462546200).

Almost surely, 2^72293247684 is an apocalyptic number.

It is an amenable number.

72293247684 is an abundant number, since it is smaller than the sum of its proper divisors (141908969916).

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

72293247684 is a wasteful number, since it uses less digits than its factorization.

72293247684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95626009 (or 95626001 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 72293247684 in words is "seventy-two billion, two hundred ninety-three million, two hundred forty-seven thousand, six hundred eighty-four".