681473804 has 24 divisors (see below), whose sum is σ = 1331254848. Its totient is φ = 302556240.

The previous prime is 681473797. The next prime is 681473827. The reversal of 681473804 is 408374186.

681473804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178202 + ... + 181985.

It is an arithmetic number, because the mean of its divisors is an integer number (55468952).

Almost surely, 2^681473804 is an apocalyptic number.

It is an amenable number.

681473804 is a deficient number, since it is larger than the sum of its proper divisors (649781044).

681473804 is a wasteful number, since it uses less digits than its factorization.

681473804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360245 (or 360243 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 681473804 is about 26105.0532272968. The cubic root of 681473804 is about 880.0007765145. Note that the first 3 decimals are identical.

The spelling of 681473804 in words is "six hundred eighty-one million, four hundred seventy-three thousand, eight hundred four".