681474888 has 48 divisors (see below), whose sum is σ = 1860218880. Its totient is φ = 225366624.

The previous prime is 681474847. The next prime is 681474907. The reversal of 681474888 is 888474186.

681474888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×681474888² = 928816045949225088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28120 + ... + 46407.

It is an arithmetic number, because the mean of its divisors is an integer number (38754560).

Almost surely, 2^681474888 is an apocalyptic number.

It is an amenable number.

681474888 is an abundant number, since it is smaller than the sum of its proper divisors (1178743992).

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

681474888 is a wasteful number, since it uses less digits than its factorization.

681474888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74666 (or 74659 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 54.

The square root of 681474888 is about 26105.0739895523. The cubic root of 681474888 is about 880.0012431112.

The spelling of 681474888 in words is "six hundred eighty-one million, four hundred seventy-four thousand, eight hundred eighty-eight".