673983407 has 2 divisors, whose sum is σ = 673983408. Its totient is φ = 673983406.

The previous prime is 673983397. The next prime is 673983413. The reversal of 673983407 is 704389376.

It is a happy number.

673983407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673983407 - 2²⁰ = 672934831 is a prime.

It is a super-2 number, since 2×673983407² = 908507265822655298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673983437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336991703 + 336991704.

It is an arithmetic number, because the mean of its divisors is an integer number (336991704).

Almost surely, 2^673983407 is an apocalyptic number.

673983407 is a deficient number, since it is larger than the sum of its proper divisors (1).

673983407 is an equidigital number, since it uses as much as digits as its factorization.

673983407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 673983407 is about 25961.1904002879. The cubic root of 673983407 is about 876.7647245023.

The spelling of 673983407 in words is "six hundred seventy-three million, nine hundred eighty-three thousand, four hundred seven".