681822708 has 48 divisors (see below), whose sum is σ = 1820442624. Its totient is φ = 194565600.

The previous prime is 681822707. The next prime is 681822719. The reversal of 681822708 is 807228186.

681822708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 681822708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681822707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69933 + ... + 79083.

It is an arithmetic number, because the mean of its divisors is an integer number (37925888).

Almost surely, 2^681822708 is an apocalyptic number.

It is an amenable number.

681822708 is an abundant number, since it is smaller than the sum of its proper divisors (1138619916).

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

681822708 is a wasteful number, since it uses less digits than its factorization.

681822708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052 (or 10050 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 681822708 is about 26111.7350629942. The cubic root of 681822708 is about 880.1509331333.

The spelling of 681822708 in words is "six hundred eighty-one million, eight hundred twenty-two thousand, seven hundred eight".