672732 has 24 divisors (see below), whose sum is σ = 1744400. Its totient is φ = 224208.

The previous prime is 672703. The next prime is 672743. The reversal of 672732 is 237276.

672732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 672696 and 672705.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 672732.

It is an unprimeable number.

672732 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3007 + ... + 3222.

2⁶⁷²⁷³² is an apocalyptic number.

It is an amenable number.

672732 is an abundant number, since it is smaller than the sum of its proper divisors (1071668).

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

672732 is a wasteful number, since it uses less digits than its factorization.

672732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242 (or 6234 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 672732 is about 820.2024140418. The cubic root of 672732 is about 87.6221749079.

The spelling of 672732 in words is "six hundred seventy-two thousand, seven hundred thirty-two".