72650120 has 16 divisors (see below), whose sum is σ = 163462860. Its totient is φ = 29060032.

The previous prime is 72650107. The next prime is 72650147. The reversal of 72650120 is 2105627.

It can be written as a sum of positive squares in 2 ways, for example, as 59876644 + 12773476 = 7738^2 + 3574^2 .

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, 908087 + ... + 908166.

Almost surely, 2^72650120 is an apocalyptic number.

It is an amenable number.

72650120 is an abundant number, since it is smaller than the sum of its proper divisors (90812740).

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

72650120 is a wasteful number, since it uses less digits than its factorization.

72650120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816264 (or 1816260 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 72650120 is about 8523.5039743054. The cubic root of 72650120 is about 417.2651481340.

Adding to 72650120 its reverse (2105627), we get a palindrome (74755747).

The spelling of 72650120 in words is "seventy-two million, six hundred fifty thousand, one hundred twenty".