68808330 has 48 divisors (see below), whose sum is σ = 181587744. Its totient is φ = 18073440.

The previous prime is 68808319. The next prime is 68808343. The reversal of 68808330 is 3380886.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325 + ... + 11735.

It is an arithmetic number, because the mean of its divisors is an integer number (3783078).

Almost surely, 2^68808330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68808330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90793872).

68808330 is an abundant number, since it is smaller than the sum of its proper divisors (112779414).

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

68808330 is a wasteful number, since it uses less digits than its factorization.

68808330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491 (or 11488 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 68808330 is about 8295.0786614715. The cubic root of 68808330 is about 409.7764595432.

The spelling of 68808330 in words is "sixty-eight million, eight hundred eight thousand, three hundred thirty".