672815484 has 72 divisors (see below), whose sum is σ = 1924086528. Its totient is φ = 203880240.

The previous prime is 672815483. The next prime is 672815501. The reversal of 672815484 is 484518276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672815483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20772 + ... + 42155.

It is an arithmetic number, because the mean of its divisors is an integer number (26723424).

Almost surely, 2^672815484 is an apocalyptic number.

It is an amenable number.

672815484 is an abundant number, since it is smaller than the sum of its proper divisors (1251271044).

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

672815484 is a wasteful number, since it uses less digits than its factorization.

672815484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62957 (or 62943 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 672815484 is about 25938.6870138024. The cubic root of 672815484 is about 876.2579930664.

The spelling of 672815484 in words is "six hundred seventy-two million, eight hundred fifteen thousand, four hundred eighty-four".