68784108 has 48 divisors (see below), whose sum is σ = 171007200. Its totient is φ = 21443584.

The previous prime is 68784097. The next prime is 68784109. The reversal of 68784108 is 80148786.

It is a self number, because there is not a number n which added to its sum of digits gives 68784108.

It is not an unprimeable number, because it can be changed into a prime (68784109) 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, 34318 + ... + 36266.

It is an arithmetic number, because the mean of its divisors is an integer number (3562650).

Almost surely, 2^68784108 is an apocalyptic number.

68784108 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68784108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85503600).

68784108 is an abundant number, since it is smaller than the sum of its proper divisors (102223092).

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

68784108 is a wasteful number, since it uses less digits than its factorization.

68784108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146 (or 2144 counting only the distinct ones).

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

The square root of 68784108 is about 8293.6185106382. The cubic root of 68784108 is about 409.7283705483.

The spelling of 68784108 in words is "sixty-eight million, seven hundred eighty-four thousand, one hundred eight".