68814814 has 8 divisors (see below), whose sum is σ = 103259520. Its totient is φ = 34394976.

The previous prime is 68814799. The next prime is 68814821. The reversal of 68814814 is 41841886.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4182 + ... + 12454.

It is an arithmetic number, because the mean of its divisors is an integer number (12907440).

Almost surely, 2^68814814 is an apocalyptic number.

68814814 is a deficient number, since it is larger than the sum of its proper divisors (34444706).

68814814 is a wasteful number, since it uses less digits than its factorization.

68814814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12434.

The product of its digits is 49152, while the sum is 40.

The square root of 68814814 is about 8295.4694864124. The cubic root of 68814814 is about 409.7893305968.

The spelling of 68814814 in words is "sixty-eight million, eight hundred fourteen thousand, eight hundred fourteen".