672889 has 8 divisors (see below), whose sum is σ = 777728. Its totient is φ = 570240.

The previous prime is 672883. The next prime is 672901. The reversal of 672889 is 988276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 672889 - 2⁹ = 672377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184 + ... + 1174.

It is an arithmetic number, because the mean of its divisors is an integer number (97216).

2⁶⁷²⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

672889 is a deficient number, since it is larger than the sum of its proper divisors (104839).

672889 is an equidigital number, since it uses as much as digits as its factorization.

672889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095.

The product of its digits is 48384, while the sum is 40.

The square root of 672889 is about 820.2981165406. The cubic root of 672889 is about 87.6289907035.

The spelling of 672889 in words is "six hundred seventy-two thousand, eight hundred eighty-nine".