673285317 has 4 divisors (see below), whose sum is σ = 897713760. Its totient is φ = 448856876.

The previous prime is 673285309. The next prime is 673285331. The reversal of 673285317 is 713582376.

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 673285317 - 2³ = 673285309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673285307) 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, 112214217 + ... + 112214222.

It is an arithmetic number, because the mean of its divisors is an integer number (224428440).

Almost surely, 2^673285317 is an apocalyptic number.

It is an amenable number.

673285317 is a deficient number, since it is larger than the sum of its proper divisors (224428443).

673285317 is a wasteful number, since it uses less digits than its factorization.

673285317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224428442.

The product of its digits is 211680, while the sum is 42.

The square root of 673285317 is about 25947.7420404936. The cubic root of 673285317 is about 876.4619118419.

The spelling of 673285317 in words is "six hundred seventy-three million, two hundred eighty-five thousand, three hundred seventeen".