68707271 has 4 divisors (see below), whose sum is σ = 69128952. Its totient is φ = 68285592.

The previous prime is 68707241. The next prime is 68707291. The reversal of 68707271 is 17270786.

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 68707271 - 2⁶ = 68707207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68707241) 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, 210596 + ... + 210921.

It is an arithmetic number, because the mean of its divisors is an integer number (17282238).

Almost surely, 2^68707271 is an apocalyptic number.

68707271 is a deficient number, since it is larger than the sum of its proper divisors (421681).

68707271 is a wasteful number, since it uses less digits than its factorization.

68707271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421680.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 68707271 is about 8288.9849197595. The cubic root of 68707271 is about 409.5757479455.

It can be divided in two parts, 6870 and 7271, that added together give a palindrome (14141).

The spelling of 68707271 in words is "sixty-eight million, seven hundred seven thousand, two hundred seventy-one".