73131006120 has 32 divisors (see below), whose sum is σ = 219393018720. Its totient is φ = 19501601600.

The previous prime is 73131006101. The next prime is 73131006163. The reversal of 73131006120 is 2160013137.

It is a super-2 number, since 2×73131006120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 304712406 + ... + 304712645.

It is an arithmetic number, because the mean of its divisors is an integer number (6856031835).

Almost surely, 2^73131006120 is an apocalyptic number.

It is an amenable number.

73131006120 is an abundant number, since it is smaller than the sum of its proper divisors (146262012600).

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

73131006120 is a wasteful number, since it uses less digits than its factorization.

73131006120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609425065 (or 609425061 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

Adding to 73131006120 its reverse (2160013137), we get a palindrome (75291019257).

The spelling of 73131006120 in words is "seventy-three billion, one hundred thirty-one million, six thousand, one hundred twenty".