68571117 has 20 divisors (see below), whose sum is σ = 103440480. Its totient is φ = 45264744.

The previous prime is 68571091. The next prime is 68571187. The reversal of 68571117 is 71117586.

It is a happy number.

It is not a de Polignac number, because 68571117 - 2¹⁰ = 68570093 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68571187) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4234 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (5172024).

Almost surely, 2^68571117 is an apocalyptic number.

It is an amenable number.

68571117 is a deficient number, since it is larger than the sum of its proper divisors (34869363).

68571117 is a wasteful number, since it uses less digits than its factorization.

68571117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8334 (or 8325 counting only the distinct ones).

The product of its digits is 11760, while the sum is 36.

The square root of 68571117 is about 8280.7678991746. The cubic root of 68571117 is about 409.3050233091.

The spelling of 68571117 in words is "sixty-eight million, five hundred seventy-one thousand, one hundred seventeen".