72669692574 has 24 divisors (see below), whose sum is σ = 157465952280. Its totient is φ = 24220930608.

The previous prime is 72669692533. The next prime is 72669692591. The reversal of 72669692574 is 47529696627.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8797 + ... + 381335.

It is an arithmetic number, because the mean of its divisors is an integer number (6561081345).

Almost surely, 2^72669692574 is an apocalyptic number.

72669692574 is an abundant number, since it is smaller than the sum of its proper divisors (84796259706).

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

72669692574 is a wasteful number, since it uses less digits than its factorization.

72669692574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383384 (or 383381 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 72669692574 in words is "seventy-two billion, six hundred sixty-nine million, six hundred ninety-two thousand, five hundred seventy-four".