673717239 has 12 divisors (see below), whose sum is σ = 1048004776. Its totient is φ = 414595152.

The previous prime is 673717237. The next prime is 673717243. The reversal of 673717239 is 932717376.

673717239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 673717239 - 2¹ = 673717237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673717194 and 673717203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673717237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2879017 + ... + 2879250.

Almost surely, 2^673717239 is an apocalyptic number.

673717239 is a deficient number, since it is larger than the sum of its proper divisors (374287537).

673717239 is a wasteful number, since it uses less digits than its factorization.

673717239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758286 (or 5758283 counting only the distinct ones).

The product of its digits is 333396, while the sum is 45.

The square root of 673717239 is about 25956.0636268291. The cubic root of 673717239 is about 876.6492926594.

The spelling of 673717239 in words is "six hundred seventy-three million, seven hundred seventeen thousand, two hundred thirty-nine".