673871312 has 20 divisors (see below), whose sum is σ = 1312192800. Its totient is φ = 335240928.

The previous prime is 673871311. The next prime is 673871321. The reversal of 673871312 is 213178376.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673871311) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 102638 + ... + 109005.

It is an arithmetic number, because the mean of its divisors is an integer number (65609640).

Almost surely, 2^673871312 is an apocalyptic number.

It is an amenable number.

673871312 is a deficient number, since it is larger than the sum of its proper divisors (638321488).

673871312 is a wasteful number, since it uses less digits than its factorization.

673871312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211850 (or 211844 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 673871312 is about 25959.0314149045. The cubic root of 673871312 is about 876.7161148037.

The spelling of 673871312 in words is "six hundred seventy-three million, eight hundred seventy-one thousand, three hundred twelve".