68147 has 2 divisors, whose sum is σ = 68148. Its totient is φ = 68146.

The previous prime is 68141. The next prime is 68161. The reversal of 68147 is 74186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68147 - 2⁸ = 67891 is a prime.

It is a Chen prime.

It is equal to p₆₇₈₅ and since 68147 and 6785 have the same sum of digits, it is a Honaker prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 68147.

It is not a weakly prime, because it can be changed into another prime (68141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34073 + 34074.

It is an arithmetic number, because the mean of its divisors is an integer number (34074).

2⁶⁸¹⁴⁷ is an apocalyptic number.

68147 is a deficient number, since it is larger than the sum of its proper divisors (1).

68147 is an equidigital number, since it uses as much as digits as its factorization.

68147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 68147 is about 261.0498036774. The cubic root of 68147 is about 40.8459417772.

Subtracting from 68147 its sum of digits (26), we obtain a square (68121 = 261²).

The spelling of 68147 in words is "sixty-eight thousand, one hundred forty-seven".