673704593 has 4 divisors (see below), whose sum is σ = 674385408. Its totient is φ = 673023780.

The previous prime is 673704541. The next prime is 673704613. The reversal of 673704593 is 395407376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 673704593 - 2⁶ = 673704529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673704503) 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, 338921 + ... + 340902.

It is an arithmetic number, because the mean of its divisors is an integer number (168596352).

Almost surely, 2^673704593 is an apocalyptic number.

It is an amenable number.

673704593 is a deficient number, since it is larger than the sum of its proper divisors (680815).

673704593 is an equidigital number, since it uses as much as digits as its factorization.

673704593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680814.

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

The square root of 673704593 is about 25955.8200217215. The cubic root of 673704593 is about 876.6438075807.

The spelling of 673704593 in words is "six hundred seventy-three million, seven hundred four thousand, five hundred ninety-three".