672872772 has 144 divisors (see below), whose sum is σ = 1904006720. Its totient is φ = 183617280.

The previous prime is 672872737. The next prime is 672872779. The reversal of 672872772 is 277278276.

It is not an unprimeable number, because it can be changed into a prime (672872779) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 811254 + ... + 812082.

Almost surely, 2^672872772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672872772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952003360).

672872772 is an abundant number, since it is smaller than the sum of its proper divisors (1231133948).

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

672872772 is a wasteful number, since it uses less digits than its factorization.

672872772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 901 counting only the distinct ones).

The product of its digits is 921984, while the sum is 48.

The square root of 672872772 is about 25939.7912867471. The cubic root of 672872772 is about 876.2828625115.

The spelling of 672872772 in words is "six hundred seventy-two million, eight hundred seventy-two thousand, seven hundred seventy-two".