68188608 has 56 divisors (see below), whose sum is σ = 200466960. Its totient is φ = 22728960.

The previous prime is 68188579. The next prime is 68188609. The reversal of 68188608 is 80688186.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68188609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18003 + ... + 21458.

Almost surely, 2^68188608 is an apocalyptic number.

It is an amenable number.

68188608 is an abundant number, since it is smaller than the sum of its proper divisors (132278352).

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

68188608 is a wasteful number, since it uses less digits than its factorization.

68188608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39482 (or 39466 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 68188608 is about 8257.6393721208. The cubic root of 68188608 is about 408.5425308545.

The spelling of 68188608 in words is "sixty-eight million, one hundred eighty-eight thousand, six hundred eight".