672634231 has 8 divisors (see below), whose sum is σ = 678222720. Its totient is φ = 667069152.

The previous prime is 672634217. The next prime is 672634253. The reversal of 672634231 is 132436276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 672634231 - 2⁵ = 672634199 is a prime.

It is a super-2 number, since 2×672634231² = 904873617425922722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672634201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54381 + ... + 65593.

It is an arithmetic number, because the mean of its divisors is an integer number (84777840).

Almost surely, 2^672634231 is an apocalyptic number.

672634231 is a deficient number, since it is larger than the sum of its proper divisors (5588489).

672634231 is a wasteful number, since it uses less digits than its factorization.

672634231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11705.

The product of its digits is 36288, while the sum is 34.

The square root of 672634231 is about 25935.1929046229. The cubic root of 672634231 is about 876.1792995474.

The spelling of 672634231 in words is "six hundred seventy-two million, six hundred thirty-four thousand, two hundred thirty-one".