72587704799 has 4 divisors (see below), whose sum is σ = 72588417720. Its totient is φ = 72586991880.

The previous prime is 72587704781. The next prime is 72587704829. The reversal of 72587704799 is 99740778527.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 72587704799 - 2²⁸ = 72319269343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72587704759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171872 + ... + 417989.

It is an arithmetic number, because the mean of its divisors is an integer number (18147104430).

Almost surely, 2^72587704799 is an apocalyptic number.

72587704799 is a deficient number, since it is larger than the sum of its proper divisors (712921).

72587704799 is a wasteful number, since it uses less digits than its factorization.

72587704799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712920.

The product of its (nonzero) digits is 62233920, while the sum is 65.

The spelling of 72587704799 in words is "seventy-two billion, five hundred eighty-seven million, seven hundred four thousand, seven hundred ninety-nine".