673733807 has 2 divisors, whose sum is σ = 673733808. Its totient is φ = 673733806.

The previous prime is 673733789. The next prime is 673733813. The reversal of 673733807 is 708337376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673733807 - 2²⁰ = 672685231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673733867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336866903 + 336866904.

It is an arithmetic number, because the mean of its divisors is an integer number (336866904).

Almost surely, 2^673733807 is an apocalyptic number.

673733807 is a deficient number, since it is larger than the sum of its proper divisors (1).

673733807 is an equidigital number, since it uses as much as digits as its factorization.

673733807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 44.

The square root of 673733807 is about 25956.3827795785. The cubic root of 673733807 is about 876.6564787634.

The spelling of 673733807 in words is "six hundred seventy-three million, seven hundred thirty-three thousand, eight hundred seven".