68508608 has 56 divisors (see below), whose sum is σ = 159605472. Its totient is φ = 28560384.

The previous prime is 68508599. The next prime is 68508611. The reversal of 68508608 is 80680586.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14510 + ... + 18642.

Almost surely, 2^68508608 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 68508608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79802736).

68508608 is an abundant number, since it is smaller than the sum of its proper divisors (91096864).

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

68508608 is a wasteful number, since it uses less digits than its factorization.

68508608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189 (or 4179 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 68508608 is about 8276.9926905851. The cubic root of 68508608 is about 409.1806122003.

The spelling of 68508608 in words is "sixty-eight million, five hundred eight thousand, six hundred eight".