68271271 has 4 divisors (see below), whose sum is σ = 68320672. Its totient is φ = 68221872.

The previous prime is 68271239. The next prime is 68271283. The reversal of 68271271 is 17217286.

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 68271271 - 2⁵ = 68271239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68271211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22566 + ... + 25411.

It is an arithmetic number, because the mean of its divisors is an integer number (17080168).

Almost surely, 2^68271271 is an apocalyptic number.

68271271 is a deficient number, since it is larger than the sum of its proper divisors (49401).

68271271 is a wasteful number, since it uses less digits than its factorization.

68271271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49400.

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

The square root of 68271271 is about 8262.6431001224. The cubic root of 68271271 is about 408.7075521327.

The spelling of 68271271 in words is "sixty-eight million, two hundred seventy-one thousand, two hundred seventy-one".