672887 has 4 divisors (see below), whose sum is σ = 696120. Its totient is φ = 649656.

The previous prime is 672883. The next prime is 672901. The reversal of 672887 is 788276.

672887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 672887 - 2² = 672883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672887.

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 672887.

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 3 ways as a sum of consecutive naturals, for example, 11573 + ... + 11630.

It is an arithmetic number, because the mean of its divisors is an integer number (174030).

2⁶⁷²⁸⁸⁷ is an apocalyptic number.

672887 is a deficient number, since it is larger than the sum of its proper divisors (23233).

672887 is a wasteful number, since it uses less digits than its factorization.

672887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23232.

The product of its digits is 37632, while the sum is 38.

The square root of 672887 is about 820.2968974707. The cubic root of 672887 is about 87.6289038847.

The spelling of 672887 in words is "six hundred seventy-two thousand, eight hundred eighty-seven".