68117227 has 4 divisors (see below), whose sum is σ = 68470360. Its totient is φ = 67764096.

The previous prime is 68117219. The next prime is 68117233. The reversal of 68117227 is 72271186.

It is a happy number.

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 68117227 - 2³ = 68117219 is a prime.

It is a super-2 number, since 2×68117227² = 9279913228339058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68117192 and 68117201.

It is not an unprimeable number, because it can be changed into a prime (68117267) 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, 176277 + ... + 176662.

It is an arithmetic number, because the mean of its divisors is an integer number (17117590).

Almost surely, 2^68117227 is an apocalyptic number.

68117227 is a deficient number, since it is larger than the sum of its proper divisors (353133).

68117227 is a wasteful number, since it uses less digits than its factorization.

68117227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353132.

The product of its digits is 9408, while the sum is 34.

The square root of 68117227 is about 8253.3161214145. The cubic root of 68117227 is about 408.3999246480.

The spelling of 68117227 in words is "sixty-eight million, one hundred seventeen thousand, two hundred twenty-seven".