673899759 has 24 divisors (see below), whose sum is σ = 1076627552. Its totient is φ = 403496640.

The previous prime is 673899749. The next prime is 673899791. The reversal of 673899759 is 957998376.

It is not a de Polignac number, because 673899759 - 2⁷ = 673899631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673899696 and 673899705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673899749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73507 + ... + 82164.

Almost surely, 2^673899759 is an apocalyptic number.

673899759 is a deficient number, since it is larger than the sum of its proper divisors (402727793).

673899759 is a wasteful number, since it uses less digits than its factorization.

673899759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155727 (or 155724 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 63.

The square root of 673899759 is about 25959.5793301818. The cubic root of 673899759 is about 876.7284512799.

The spelling of 673899759 in words is "six hundred seventy-three million, eight hundred ninety-nine thousand, seven hundred fifty-nine".