72576734071 has 16 divisors (see below), whose sum is σ = 80300102400. Its totient is φ = 65287366848.

The previous prime is 72576734063. The next prime is 72576734077. The reversal of 72576734071 is 17043767527.

It is a cyclic number.

It is not a de Polignac number, because 72576734071 - 2³ = 72576734063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72576734077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546261 + ... + 665998.

It is an arithmetic number, because the mean of its divisors is an integer number (5018756400).

Almost surely, 2^72576734071 is an apocalyptic number.

72576734071 is a deficient number, since it is larger than the sum of its proper divisors (7723368329).

72576734071 is a wasteful number, since it uses less digits than its factorization.

72576734071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212438.

The product of its (nonzero) digits is 1728720, while the sum is 49.

The spelling of 72576734071 in words is "seventy-two billion, five hundred seventy-six million, seven hundred thirty-four thousand, seventy-one".