673333307 has 2 divisors, whose sum is σ = 673333308. Its totient is φ = 673333306.

The previous prime is 673333249. The next prime is 673333313. The reversal of 673333307 is 703333376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673333307 - 2¹² = 673329211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (673333337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336666653 + 336666654.

It is an arithmetic number, because the mean of its divisors is an integer number (336666654).

Almost surely, 2^673333307 is an apocalyptic number.

673333307 is a deficient number, since it is larger than the sum of its proper divisors (1).

673333307 is an equidigital number, since it uses as much as digits as its factorization.

673333307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 35.

The square root of 673333307 is about 25948.6667672927. Note that the first 3 decimals coincide. The cubic root of 673333307 is about 876.4827353109.

The spelling of 673333307 in words is "six hundred seventy-three million, three hundred thirty-three thousand, three hundred seven".