672712131 has 24 divisors (see below), whose sum is σ = 1123654224. Its totient is φ = 354836160.

The previous prime is 672712129. The next prime is 672712141. The reversal of 672712131 is 131217276.

It is not a de Polignac number, because 672712131 - 2¹ = 672712129 is a prime.

It is a super-2 number, since 2×672712131² = 905083222389122322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672712141) 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, 174100 + ... + 177921.

It is an arithmetic number, because the mean of its divisors is an integer number (46818926).

Almost surely, 2^672712131 is an apocalyptic number.

672712131 is a deficient number, since it is larger than the sum of its proper divisors (450942093).

672712131 is a wasteful number, since it uses less digits than its factorization.

672712131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352051 (or 352044 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 672712131 is about 25936.6946814740. The cubic root of 672712131 is about 876.2131226514.

The spelling of 672712131 in words is "six hundred seventy-two million, seven hundred twelve thousand, one hundred thirty-one".