681104670 has 32 divisors (see below), whose sum is σ = 1638457632. Its totient is φ = 181204992.

The previous prime is 681104659. The next prime is 681104687. The reversal of 681104670 is 76401186.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13227 + ... + 39206.

It is an arithmetic number, because the mean of its divisors is an integer number (51201801).

Almost surely, 2^681104670 is an apocalyptic number.

681104670 is an abundant number, since it is smaller than the sum of its proper divisors (957352962).

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

681104670 is a wasteful number, since it uses less digits than its factorization.

681104670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52876.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 681104670 is about 26097.9821059024. The cubic root of 681104670 is about 879.8418577739.

The spelling of 681104670 in words is "six hundred eighty-one million, one hundred four thousand, six hundred seventy".