68930171 has 4 divisors (see below), whose sum is σ = 68956344. Its totient is φ = 68904000.

The previous prime is 68930167. The next prime is 68930179. The reversal of 68930171 is 17103986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17103986 = 2 ⋅8551993.

It is a cyclic number.

It is not a de Polignac number, because 68930171 - 2² = 68930167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68930179) 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, 8630 + ... + 14571.

It is an arithmetic number, because the mean of its divisors is an integer number (17239086).

Almost surely, 2^68930171 is an apocalyptic number.

68930171 is a deficient number, since it is larger than the sum of its proper divisors (26173).

68930171 is a wasteful number, since it uses less digits than its factorization.

68930171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26172.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 68930171 is about 8302.4195870842. The cubic root of 68930171 is about 410.0181847972.

The spelling of 68930171 in words is "sixty-eight million, nine hundred thirty thousand, one hundred seventy-one".