72585734716 has 24 divisors (see below), whose sum is σ = 138632006016. Its totient is φ = 32979411120.

The previous prime is 72585734699. The next prime is 72585734729. The reversal of 72585734716 is 61743758527.

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, 248176 + ... + 454711.

It is an arithmetic number, because the mean of its divisors is an integer number (5776333584).

Almost surely, 2^72585734716 is an apocalyptic number.

It is an amenable number.

72585734716 is a deficient number, since it is larger than the sum of its proper divisors (66046271300).

72585734716 is a wasteful number, since it uses less digits than its factorization.

72585734716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705249 (or 705247 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 55.

The spelling of 72585734716 in words is "seventy-two billion, five hundred eighty-five million, seven hundred thirty-four thousand, seven hundred sixteen".