673607317 has 4 divisors (see below), whose sum is σ = 683094816. Its totient is φ = 664119820.

The previous prime is 673607309. The next prime is 673607321. The reversal of 673607317 is 713706376.

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 673607317 - 2³ = 673607309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 673607317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673607357) 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, 4743643 + ... + 4743784.

It is an arithmetic number, because the mean of its divisors is an integer number (170773704).

Almost surely, 2^673607317 is an apocalyptic number.

It is an amenable number.

673607317 is a deficient number, since it is larger than the sum of its proper divisors (9487499).

673607317 is an equidigital number, since it uses as much as digits as its factorization.

673607317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9487498.

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 673607317 is about 25953.9460776199. The cubic root of 673607317 is about 876.6016127728.

The spelling of 673607317 in words is "six hundred seventy-three million, six hundred seven thousand, three hundred seventeen".