673816768 has 28 divisors (see below), whose sum is σ = 1373247952. Its totient is φ = 327801600.

The previous prime is 673816729. The next prime is 673816883. The reversal of 673816768 is 867618376.

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, 139908 + ... + 144643.

Almost surely, 2^673816768 is an apocalyptic number.

It is an amenable number.

673816768 is an abundant number, since it is smaller than the sum of its proper divisors (699431184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673816768 is a wasteful number, since it uses less digits than its factorization.

673816768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284600 (or 284590 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 673816768 is about 25957.9808151559. The cubic root of 673816768 is about 876.6924599934.

The spelling of 673816768 in words is "six hundred seventy-three million, eight hundred sixteen thousand, seven hundred sixty-eight".