672917 has 12 divisors (see below), whose sum is σ = 809856. Its totient is φ = 556920.

The previous prime is 672913. The next prime is 672937. The reversal of 672917 is 719276.

It is not a de Polignac number, because 672917 - 2² = 672913 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1298 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (67488).

2⁶⁷²⁹¹⁷ is an apocalyptic number.

It is an amenable number.

672917 is a deficient number, since it is larger than the sum of its proper divisors (136939).

672917 is a wasteful number, since it uses less digits than its factorization.

672917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 481 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 672917 is about 820.3151833289. The cubic root of 672917 is about 87.6302061480.

The spelling of 672917 in words is "six hundred seventy-two thousand, nine hundred seventeen".