672137144576 has 36 divisors (see below), whose sum is σ = 1399981320192. Its totient is φ = 321456892416.

The previous prime is 672137144573. The next prime is 672137144639. The reversal of 672137144576 is 675441731276.

It is a happy number.

It is a super-2 number, since 2×672137144576² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672137144573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57070976 + ... + 57082751.

Almost surely, 2^672137144576 is an apocalyptic number.

It is an amenable number.

672137144576 is an abundant number, since it is smaller than the sum of its proper divisors (727844175616).

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

672137144576 is a wasteful number, since it uses less digits than its factorization.

672137144576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114153766 (or 114153752 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 53.

The spelling of 672137144576 in words is "six hundred seventy-two billion, one hundred thirty-seven million, one hundred forty-four thousand, five hundred seventy-six".