672831 has 6 divisors (see below), whose sum is σ = 971880. Its totient is φ = 448548.

The previous prime is 672827. The next prime is 672863. The reversal of 672831 is 138276.

672831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672831 - 2² = 672827 is a prime.

It is a super-2 number, since 2×672831² = 905403109122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 672795 and 672804.

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 672831.

It is not an unprimeable number, because it can be changed into a prime (672811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37371 + ... + 37388.

It is an arithmetic number, because the mean of its divisors is an integer number (161980).

2⁶⁷²⁸³¹ is an apocalyptic number.

672831 is a deficient number, since it is larger than the sum of its proper divisors (299049).

672831 is a wasteful number, since it uses less digits than its factorization.

672831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74765 (or 74762 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 672831 is about 820.2627627779. The cubic root of 672831 is about 87.6264728898.

The spelling of 672831 in words is "six hundred seventy-two thousand, eight hundred thirty-one".