68017171 has 4 divisors (see below), whose sum is σ = 68037192. Its totient is φ = 67997152.

The previous prime is 68017163. The next prime is 68017177. The reversal of 68017171 is 17171086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68017171 - 2³ = 68017163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68017177) 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, 3505 + ... + 12178.

It is an arithmetic number, because the mean of its divisors is an integer number (17009298).

Almost surely, 2^68017171 is an apocalyptic number.

68017171 is a deficient number, since it is larger than the sum of its proper divisors (20021).

68017171 is a wasteful number, since it uses less digits than its factorization.

68017171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20020.

The product of its (nonzero) digits is 2352, while the sum is 31.

The square root of 68017171 is about 8247.2523303219. The cubic root of 68017171 is about 408.1998632316.

The spelling of 68017171 in words is "sixty-eight million, seventeen thousand, one hundred seventy-one".