673893997 has 16 divisors (see below), whose sum is σ = 808611840. Its totient is φ = 549098352.

The previous prime is 673893977. The next prime is 673894051. The reversal of 673893997 is 799398376.

673893997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673893997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673893907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13404 + ... + 39082.

It is an arithmetic number, because the mean of its divisors is an integer number (50538240).

Almost surely, 2^673893997 is an apocalyptic number.

It is an amenable number.

673893997 is a deficient number, since it is larger than the sum of its proper divisors (134717843).

673893997 is a wasteful number, since it uses less digits than its factorization.

673893997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25872.

The product of its digits is 15431472, while the sum is 61.

The square root of 673893997 is about 25959.4683497178. The cubic root of 673893997 is about 876.7259525286.

The spelling of 673893997 in words is "six hundred seventy-three million, eight hundred ninety-three thousand, nine hundred ninety-seven".