673223579 has 16 divisors (see below), whose sum is σ = 817864128. Its totient is φ = 540966912.

The previous prime is 673223549. The next prime is 673223591. The reversal of 673223579 is 975322376.

It is a cyclic number.

It is not a de Polignac number, because 673223579 - 2²⁰ = 672175003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673223519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19577 + ... + 41589.

It is an arithmetic number, because the mean of its divisors is an integer number (51116508).

Almost surely, 2^673223579 is an apocalyptic number.

673223579 is a deficient number, since it is larger than the sum of its proper divisors (144640549).

673223579 is a wasteful number, since it uses less digits than its factorization.

673223579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22294.

The product of its digits is 476280, while the sum is 44.

The square root of 673223579 is about 25946.5523528657. The cubic root of 673223579 is about 876.4351214861.

The spelling of 673223579 in words is "six hundred seventy-three million, two hundred twenty-three thousand, five hundred seventy-nine".