72424516160 has 56 divisors (see below), whose sum is σ = 181537782720. Its totient is φ = 27445077504.

The previous prime is 72424516123. The next prime is 72424516223. The reversal of 72424516160 is 6161542427.

It is a happy number.

It is a super-2 number, since 2×72424516160² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 5949884 + ... + 5962043.

It is an arithmetic number, because the mean of its divisors is an integer number (3241746120).

Almost surely, 2^72424516160 is an apocalyptic number.

It is an amenable number.

72424516160 is an abundant number, since it is smaller than the sum of its proper divisors (109113266560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72424516160 is a wasteful number, since it uses less digits than its factorization.

72424516160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11911963 (or 11911953 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 72424516160 in words is "seventy-two billion, four hundred twenty-four million, five hundred sixteen thousand, one hundred sixty".