672878 has 8 divisors (see below), whose sum is σ = 1013040. Its totient is φ = 335200.

The previous prime is 672871. The next prime is 672883. The reversal of 672878 is 878276.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672871) 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, 383 + ... + 1221.

It is an arithmetic number, because the mean of its divisors is an integer number (126630).

2⁶⁷²⁸⁷⁸ is an apocalyptic number.

672878 is a deficient number, since it is larger than the sum of its proper divisors (340162).

672878 is a wasteful number, since it uses less digits than its factorization.

672878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242.

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

The square root of 672878 is about 820.2914116337. The cubic root of 672878 is about 87.6285131982.

The spelling of 672878 in words is "six hundred seventy-two thousand, eight hundred seventy-eight".