681717114 has 64 divisors (see below), whose sum is σ = 1634774400. Its totient is φ = 209333376.

The previous prime is 681717103. The next prime is 681717137. The reversal of 681717114 is 411717186.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 668497 + ... + 669515.

It is an arithmetic number, because the mean of its divisors is an integer number (25543350).

Almost surely, 2^681717114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 681717114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817387200).

681717114 is an abundant number, since it is smaller than the sum of its proper divisors (953057286).

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

681717114 is a wasteful number, since it uses less digits than its factorization.

681717114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1990 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 681717114 is about 26109.7130202536. The cubic root of 681717114 is about 880.1054944121.

The spelling of 681717114 in words is "six hundred eighty-one million, seven hundred seventeen thousand, one hundred fourteen".