673715331 has 6 divisors (see below), whose sum is σ = 973144380. Its totient is φ = 449143548.

The previous prime is 673715323. The next prime is 673715359. The reversal of 673715331 is 133517376.

It is a happy number.

It is not a de Polignac number, because 673715331 - 2³ = 673715323 is a prime.

It is a super-2 number, since 2×673715331² = 907784694448879122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (673715311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37428621 + ... + 37428638.

It is an arithmetic number, because the mean of its divisors is an integer number (162190730).

Almost surely, 2^673715331 is an apocalyptic number.

673715331 is a deficient number, since it is larger than the sum of its proper divisors (299429049).

673715331 is a wasteful number, since it uses less digits than its factorization.

673715331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74857265 (or 74857262 counting only the distinct ones).

The product of its digits is 39690, while the sum is 36.

The square root of 673715331 is about 25956.0268723855. The cubic root of 673715331 is about 876.6484650875.

The spelling of 673715331 in words is "six hundred seventy-three million, seven hundred fifteen thousand, three hundred thirty-one".