72220711017 has 32 divisors (see below), whose sum is σ = 121272245248. Its totient is φ = 37208517696.

The previous prime is 72220710983. The next prime is 72220711019. The reversal of 72220711017 is 71011702227.

It is not a de Polignac number, because 72220711017 - 2⁸ = 72220710761 is a prime.

It is a super-3 number, since 3×72220711017³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (72220711019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3064363 + ... + 3087840.

It is an arithmetic number, because the mean of its divisors is an integer number (3789757664).

Almost surely, 2^72220711017 is an apocalyptic number.

It is an amenable number.

72220711017 is a deficient number, since it is larger than the sum of its proper divisors (49051534231).

72220711017 is a wasteful number, since it uses less digits than its factorization.

72220711017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152269.

The product of its (nonzero) digits is 2744, while the sum is 30.

The spelling of 72220711017 in words is "seventy-two billion, two hundred twenty million, seven hundred eleven thousand, seventeen".