672479 has 4 divisors (see below), whose sum is σ = 682584. Its totient is φ = 662376.

The previous prime is 672473. The next prime is 672493. The reversal of 672479 is 974276.

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 672479 - 2⁸ = 672223 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 (672473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4952 + ... + 5085.

It is an arithmetic number, because the mean of its divisors is an integer number (170646).

2⁶⁷²⁴⁷⁹ is an apocalyptic number.

672479 is a deficient number, since it is larger than the sum of its proper divisors (10105).

672479 is a wasteful number, since it uses less digits than its factorization.

672479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10104.

The product of its digits is 21168, while the sum is 35.

The square root of 672479 is about 820.0481693169. The cubic root of 672479 is about 87.6111892604.

The spelling of 672479 in words is "six hundred seventy-two thousand, four hundred seventy-nine".