68111994 has 8 divisors (see below), whose sum is σ = 136224000. Its totient is φ = 22703996.

The previous prime is 68111987. The next prime is 68112001. The reversal of 68111994 is 49911186.

It is an interprime number because it is at equal distance from previous prime (68111987) and next prime (68112001).

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

68111994 is an admirable number.

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, 5675994 + ... + 5676005.

It is an arithmetic number, because the mean of its divisors is an integer number (17028000).

Almost surely, 2^68111994 is an apocalyptic number.

68111994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68111994 is a wasteful number, since it uses less digits than its factorization.

68111994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11352004.

The product of its digits is 15552, while the sum is 39.

The square root of 68111994 is about 8252.9990912395. Note that the first 3 decimals coincide. The cubic root of 68111994 is about 408.3894661505.

The spelling of 68111994 in words is "sixty-eight million, one hundred eleven thousand, nine hundred ninety-four".