68808684 has 48 divisors (see below), whose sum is σ = 185830400. Its totient is φ = 19408896.

The previous prime is 68808683. The next prime is 68808689. The reversal of 68808684 is 48680886.

It is not an unprimeable number, because it can be changed into a prime (68808683) 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, 1452 + ... + 11820.

Almost surely, 2^68808684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68808684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92915200).

68808684 is an abundant number, since it is smaller than the sum of its proper divisors (117021716).

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

68808684 is a wasteful number, since it uses less digits than its factorization.

68808684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10462 (or 10460 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The square root of 68808684 is about 8295.0999993972. The cubic root of 68808684 is about 409.7771622712. Note that the first 3 decimals are identical.

The spelling of 68808684 in words is "sixty-eight million, eight hundred eight thousand, six hundred eighty-four".