68808 has 32 divisors (see below), whose sum is σ = 178560. Its totient is φ = 22080.
The previous prime is 68791. The next prime is 68813. The reversal of 68808 is 80886.
It is a congruent number.
It is an unprimeable number.
68808 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098 + ... + 1158.
It is an arithmetic number, because the mean of its divisors is an integer number (5580).
268808 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 68808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89280).
68808 is an abundant number, since it is smaller than the sum of its proper divisors (109752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68808 is a wasteful number, since it uses less digits than its factorization.
68808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117 (or 113 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 68808 is about 262.3127903858. The cubic root of 68808 is about 40.9775804456.
The spelling of 68808 in words is "sixty-eight thousand, eight hundred eight".
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