672339 has 4 divisors (see below), whose sum is σ = 896456. Its totient is φ = 448224.

The previous prime is 672323. The next prime is 672341. The reversal of 672339 is 933276.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 672339 - 2⁴ = 672323 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672349) 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, 112054 + ... + 112059.

It is an arithmetic number, because the mean of its divisors is an integer number (224114).

2⁶⁷²³³⁹ is an apocalyptic number.

672339 is a deficient number, since it is larger than the sum of its proper divisors (224117).

672339 is a wasteful number, since it uses less digits than its factorization.

672339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224116.

The product of its digits is 6804, while the sum is 30.

The square root of 672339 is about 819.9628040344. The cubic root of 672339 is about 87.6051090617.

The spelling of 672339 in words is "six hundred seventy-two thousand, three hundred thirty-nine".