72516911 has 8 divisors (see below), whose sum is σ = 74511360. Its totient is φ = 70541368.

The previous prime is 72516853. The next prime is 72516931. The reversal of 72516911 is 11961527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72516911 - 2²² = 68322607 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 (72516931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230 + ... + 12468.

It is an arithmetic number, because the mean of its divisors is an integer number (9313920).

Almost surely, 2^72516911 is an apocalyptic number.

72516911 is a deficient number, since it is larger than the sum of its proper divisors (1994449).

72516911 is a wasteful number, since it uses less digits than its factorization.

72516911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9453.

The product of its digits is 3780, while the sum is 32.

The square root of 72516911 is about 8515.6861731748. The cubic root of 72516911 is about 417.0099639728.

The spelling of 72516911 in words is "seventy-two million, five hundred sixteen thousand, nine hundred eleven".