673504689 has 32 divisors (see below), whose sum is σ = 1077479424. Its totient is φ = 368758080.

The previous prime is 673504679. The next prime is 673504697. The reversal of 673504689 is 986405376.

It is not a de Polignac number, because 673504689 - 2²⁴ = 656727473 is a prime.

It is a super-2 number, since 2×673504689² = 907217132209973442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (673504619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3462 + ... + 36864.

It is an arithmetic number, because the mean of its divisors is an integer number (33671232).

Almost surely, 2^673504689 is an apocalyptic number.

It is an amenable number.

673504689 is a deficient number, since it is larger than the sum of its proper divisors (403974735).

673504689 is a wasteful number, since it uses less digits than its factorization.

673504689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33477.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 673504689 is about 25951.9688848457. The cubic root of 673504689 is about 876.5570920571.

The spelling of 673504689 in words is "six hundred seventy-three million, five hundred four thousand, six hundred eighty-nine".