672679 has 4 divisors (see below), whose sum is σ = 768784. Its totient is φ = 576576.

The previous prime is 672667. The next prime is 672703. The reversal of 672679 is 976276.

672679 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 not a de Polignac number, because 672679 - 2⁹ = 672167 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 (672629) 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, 48042 + ... + 48055.

It is an arithmetic number, because the mean of its divisors is an integer number (192196).

2⁶⁷²⁶⁷⁹ is an apocalyptic number.

672679 is a deficient number, since it is larger than the sum of its proper divisors (96105).

672679 is an equidigital number, since it uses as much as digits as its factorization.

672679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96104.

The product of its digits is 31752, while the sum is 37.

The square root of 672679 is about 820.1701043076. The cubic root of 672679 is about 87.6198737948.

It can be divided in two parts, 67267 and 9, that added together give a palindrome (67276).

The spelling of 672679 in words is "six hundred seventy-two thousand, six hundred seventy-nine".