72352120 has 16 divisors (see below), whose sum is σ = 162792360. Its totient is φ = 28940832.

The previous prime is 72352097. The next prime is 72352139. The reversal of 72352120 is 2125327.

It is a junction number, because it is equal to n+sod(n) for n = 72352091 and 72352100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904362 + ... + 904441.

Almost surely, 2^72352120 is an apocalyptic number.

It is an amenable number.

72352120 is an abundant number, since it is smaller than the sum of its proper divisors (90440240).

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

72352120 is a wasteful number, since it uses less digits than its factorization.

72352120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808814 (or 1808810 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 72352120 is about 8506.0049376896. The cubic root of 72352120 is about 416.6938464048.

Adding to 72352120 its reverse (2125327), we get a palindrome (74477447).

The spelling of 72352120 in words is "seventy-two million, three hundred fifty-two thousand, one hundred twenty".