68820068 has 12 divisors (see below), whose sum is σ = 121605120. Its totient is φ = 34075752.

The previous prime is 68820053. The next prime is 68820077. The reversal of 68820068 is 86002886.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83108 + ... + 83931.

It is an arithmetic number, because the mean of its divisors is an integer number (10133760).

Almost surely, 2^68820068 is an apocalyptic number.

It is an amenable number.

68820068 is a deficient number, since it is larger than the sum of its proper divisors (52785052).

68820068 is a wasteful number, since it uses less digits than its factorization.

68820068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167146 (or 167144 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 68820068 is about 8295.7861592498. The cubic root of 68820068 is about 409.7997594480.

The spelling of 68820068 in words is "sixty-eight million, eight hundred twenty thousand, sixty-eight".