672907 has 4 divisors (see below), whose sum is σ = 688600. Its totient is φ = 657216.

The previous prime is 672901. The next prime is 672913. The reversal of 672907 is 709276.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (672901) and next prime (672913).

It is a cyclic number.

It is not a de Polignac number, because 672907 - 2⁷ = 672779 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7782 + ... + 7867.

It is an arithmetic number, because the mean of its divisors is an integer number (172150).

2⁶⁷²⁹⁰⁷ is an apocalyptic number.

672907 is a deficient number, since it is larger than the sum of its proper divisors (15693).

672907 is a wasteful number, since it uses less digits than its factorization.

672907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15692.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 672907 is about 820.3090880881. The cubic root of 672907 is about 87.6297720645.

The spelling of 672907 in words is "six hundred seventy-two thousand, nine hundred seven".