673749008 has 20 divisors (see below), whose sum is σ = 1311249408. Its totient is φ = 335362080.

The previous prime is 673748993. The next prime is 673749017. The reversal of 673749008 is 800947376.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 673749008.

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, 90848 + ... + 97983.

Almost surely, 2^673749008 is an apocalyptic number.

It is an amenable number.

673749008 is a deficient number, since it is larger than the sum of its proper divisors (637500400).

673749008 is a wasteful number, since it uses less digits than its factorization.

673749008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189062 (or 189056 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 673749008 is about 25956.6755960774. The cubic root of 673749008 is about 876.6630718495.

The spelling of 673749008 in words is "six hundred seventy-three million, seven hundred forty-nine thousand, eight".