673335973 has 2 divisors, whose sum is σ = 673335974. Its totient is φ = 673335972.

The previous prime is 673335931. The next prime is 673335979. The reversal of 673335973 is 379533376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 647295364 + 26040609 = 25442^2 + 5103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673335973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673335979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336667986 + 336667987.

It is an arithmetic number, because the mean of its divisors is an integer number (336667987).

Almost surely, 2^673335973 is an apocalyptic number.

It is an amenable number.

673335973 is a deficient number, since it is larger than the sum of its proper divisors (1).

673335973 is an equidigital number, since it uses as much as digits as its factorization.

673335973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1071630, while the sum is 46.

The square root of 673335973 is about 25948.7181378965. The cubic root of 673335973 is about 876.4838920931.

The spelling of 673335973 in words is "six hundred seventy-three million, three hundred thirty-five thousand, nine hundred seventy-three".