68342188 has 12 divisors (see below), whose sum is σ = 119810152. Its totient is φ = 34110720.

The previous prime is 68342173. The next prime is 68342201. The reversal of 68342188 is 88124386.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68342188.

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 3 ways as a sum of consecutive naturals, for example, 12498 + ... + 17113.

Almost surely, 2^68342188 is an apocalyptic number.

It is an amenable number.

68342188 is a deficient number, since it is larger than the sum of its proper divisors (51467964).

68342188 is a wasteful number, since it uses less digits than its factorization.

68342188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30192 (or 30190 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 68342188 is about 8266.9334096750. The cubic root of 68342188 is about 408.8490185845.

The spelling of 68342188 in words is "sixty-eight million, three hundred forty-two thousand, one hundred eighty-eight".