673443968 has 32 divisors (see below), whose sum is σ = 1344062160. Its totient is φ = 336110848.

The previous prime is 673443959. The next prime is 673444021. The reversal of 673443968 is 869344376.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70655 + ... + 79617.

Almost surely, 2^673443968 is an apocalyptic number.

It is an amenable number.

673443968 is a deficient number, since it is larger than the sum of its proper divisors (670618192).

673443968 is an equidigital number, since it uses as much as digits as its factorization.

673443968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564 (or 9552 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 50.

The square root of 673443968 is about 25950.7989857731. The cubic root of 673443968 is about 876.5307487499.

The spelling of 673443968 in words is "six hundred seventy-three million, four hundred forty-three thousand, nine hundred sixty-eight".