671813334 has 12 divisors (see below), whose sum is σ = 1455595596. Its totient is φ = 223937772.

The previous prime is 671813291. The next prime is 671813357. The reversal of 671813334 is 433318176.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 18661464 + ... + 18661499.

It is an arithmetic number, because the mean of its divisors is an integer number (121299633).

Almost surely, 2^671813334 is an apocalyptic number.

671813334 is an abundant number, since it is smaller than the sum of its proper divisors (783782262).

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

671813334 is a wasteful number, since it uses less digits than its factorization.

671813334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37322971 (or 37322968 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 671813334 is about 25919.3621449294. The cubic root of 671813334 is about 875.8227185504.

The spelling of 671813334 in words is "six hundred seventy-one million, eight hundred thirteen thousand, three hundred thirty-four".