673919256 has 16 divisors (see below), whose sum is σ = 1684798200. Its totient is φ = 224639744.

The previous prime is 673919143. The next prime is 673919381. The reversal of 673919256 is 652919376.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14039961 + ... + 14040008.

Almost surely, 2^673919256 is an apocalyptic number.

It is an amenable number.

673919256 is an abundant number, since it is smaller than the sum of its proper divisors (1010878944).

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

673919256 is a wasteful number, since it uses less digits than its factorization.

673919256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28079978 (or 28079974 counting only the distinct ones).

The product of its digits is 612360, while the sum is 48.

The square root of 673919256 is about 25959.9548535817. The cubic root of 673919256 is about 876.7369062514.

The spelling of 673919256 in words is "six hundred seventy-three million, nine hundred nineteen thousand, two hundred fifty-six".