673919912 has 32 divisors (see below), whose sum is σ = 1314693120. Its totient is φ = 323507520.

The previous prime is 673919821. The next prime is 673919921. The reversal of 673919912 is 219919376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20798 + ... + 42194.

It is an arithmetic number, because the mean of its divisors is an integer number (41084160).

Almost surely, 2^673919912 is an apocalyptic number.

673919912 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

673919912 is a deficient number, since it is larger than the sum of its proper divisors (640773208).

673919912 is a wasteful number, since it uses less digits than its factorization.

673919912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21561 (or 21557 counting only the distinct ones).

The product of its digits is 183708, while the sum is 47.

The square root of 673919912 is about 25959.9674884234. The cubic root of 673919912 is about 876.7371907263.

The spelling of 673919912 in words is "six hundred seventy-three million, nine hundred nineteen thousand, nine hundred twelve".