672662831 has 4 divisors (see below), whose sum is σ = 694361664. Its totient is φ = 650964000.

The previous prime is 672662819. The next prime is 672662867. The reversal of 672662831 is 138266276.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672662831 - 2²⁶ = 605553967 is a prime.

It is a super-2 number, since 2×672662831² = 904950568417869122, 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 (672662891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10849370 + ... + 10849431.

It is an arithmetic number, because the mean of its divisors is an integer number (173590416).

Almost surely, 2^672662831 is an apocalyptic number.

672662831 is a deficient number, since it is larger than the sum of its proper divisors (21698833).

672662831 is a wasteful number, since it uses less digits than its factorization.

672662831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21698832.

The product of its digits is 145152, while the sum is 41.

The square root of 672662831 is about 25935.7442731070. The cubic root of 672662831 is about 876.1917175757.

The spelling of 672662831 in words is "six hundred seventy-two million, six hundred sixty-two thousand, eight hundred thirty-one".