68327291 has 2 divisors, whose sum is σ = 68327292. Its totient is φ = 68327290.

The previous prime is 68327269. The next prime is 68327293. The reversal of 68327291 is 19272386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68327291 - 2¹⁸ = 68065147 is a prime.

Together with 68327293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68327293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34163645 + 34163646.

It is an arithmetic number, because the mean of its divisors is an integer number (34163646).

Almost surely, 2^68327291 is an apocalyptic number.

68327291 is a deficient number, since it is larger than the sum of its proper divisors (1).

68327291 is an equidigital number, since it uses as much as digits as its factorization.

68327291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 68327291 is about 8266.0323614174. The cubic root of 68327291 is about 408.8193099150.

The spelling of 68327291 in words is "sixty-eight million, three hundred twenty-seven thousand, two hundred ninety-one".