68711 has 2 divisors, whose sum is σ = 68712. Its totient is φ = 68710.

The previous prime is 68699. The next prime is 68713. The reversal of 68711 is 11786.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68711 is a prime.

Together with 68713, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34355 + 34356.

It is an arithmetic number, because the mean of its divisors is an integer number (34356).

2⁶⁸⁷¹¹ is an apocalyptic number.

68711 is a deficient number, since it is larger than the sum of its proper divisors (1).

68711 is an equidigital number, since it uses as much as digits as its factorization.

68711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 23.

The square root of 68711 is about 262.1278314106. The cubic root of 68711 is about 40.9583157546.

It can be divided in two parts, 687 and 11, that multiplied together give a palindrome (7557).

The spelling of 68711 in words is "sixty-eight thousand, seven hundred eleven".