68017994 has 8 divisors (see below), whose sum is σ = 111302208. Its totient is φ = 30917260.

The previous prime is 68017991. The next prime is 68017997. The reversal of 68017994 is 49971086.

It is an interprime number because it is at equal distance from previous prime (68017991) and next prime (68017997).

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

It is not an unprimeable number, because it can be changed into a prime (68017991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545842 + ... + 1545885.

It is an arithmetic number, because the mean of its divisors is an integer number (13912776).

Almost surely, 2^68017994 is an apocalyptic number.

68017994 is a deficient number, since it is larger than the sum of its proper divisors (43284214).

68017994 is a wasteful number, since it uses less digits than its factorization.

68017994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091740.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 68017994 is about 8247.3022255766. The cubic root of 68017994 is about 408.2015096155.

The spelling of 68017994 in words is "sixty-eight million, seventeen thousand, nine hundred ninety-four".