672912 has 30 divisors (see below), whose sum is σ = 1883622. Its totient is φ = 224256.

The previous prime is 672901. The next prime is 672913. The reversal of 672912 is 219276.

It can be written as a sum of positive squares in only one way, i.e., 665856 + 7056 = 816^2 + 84^2 .

It is not an unprimeable number, because it can be changed into a prime (672913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2193 + ... + 2480.

2⁶⁷²⁹¹² is an apocalyptic number.

It is an amenable number.

672912 is an abundant number, since it is smaller than the sum of its proper divisors (1210710).

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

672912 is a wasteful number, since it uses less digits than its factorization.

672912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4678 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 672912 is about 820.3121357142. The cubic root of 672912 is about 87.6299891068.

The spelling of 672912 in words is "six hundred seventy-two thousand, nine hundred twelve".