68065147 has 2 divisors, whose sum is σ = 68065148. Its totient is φ = 68065146.

The previous prime is 68065141. The next prime is 68065169. The reversal of 68065147 is 74156086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68065147 - 2³ = 68065139 is a prime.

It is a super-2 number, since 2×68065147² = 9265728472263218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68065141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34032573 + 34032574.

It is an arithmetic number, because the mean of its divisors is an integer number (34032574).

Almost surely, 2^68065147 is an apocalyptic number.

68065147 is a deficient number, since it is larger than the sum of its proper divisors (1).

68065147 is an equidigital number, since it uses as much as digits as its factorization.

68065147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 68065147 is about 8250.1604226827. The cubic root of 68065147 is about 408.2958154432.

The spelling of 68065147 in words is "sixty-eight million, sixty-five thousand, one hundred forty-seven".