673040331 has 12 divisors (see below), whose sum is σ = 974171952. Its totient is φ = 447769296.

The previous prime is 673040327. The next prime is 673040341. The reversal of 673040331 is 133040376.

It is a happy number.

It is not a de Polignac number, because 673040331 - 2² = 673040327 is a prime.

It is a super-2 number, since 2×673040331² = 905966574305179122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 673040295 and 673040304.

It is not an unprimeable number, because it can be changed into a prime (673040321) 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, 72396 + ... + 81161.

It is an arithmetic number, because the mean of its divisors is an integer number (81180996).

Almost surely, 2^673040331 is an apocalyptic number.

673040331 is a deficient number, since it is larger than the sum of its proper divisors (301131621).

673040331 is a wasteful number, since it uses less digits than its factorization.

673040331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154050 (or 154047 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 673040331 is about 25943.0208534010. The cubic root of 673040331 is about 876.3555938906.

The spelling of 673040331 in words is "six hundred seventy-three million, forty thousand, three hundred thirty-one".