672636 has 12 divisors (see below), whose sum is σ = 1569512. Its totient is φ = 224208.

The previous prime is 672629. The next prime is 672641. The reversal of 672636 is 636276.

672636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28015 + ... + 28038.

2⁶⁷²⁶³⁶ is an apocalyptic number.

It is an amenable number.

672636 is an abundant number, since it is smaller than the sum of its proper divisors (896876).

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

672636 is a wasteful number, since it uses less digits than its factorization.

672636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56060 (or 56058 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 672636 is about 820.1438898145. The cubic root of 672636 is about 87.6180067652.

The spelling of 672636 in words is "six hundred seventy-two thousand, six hundred thirty-six".