68065247 has 2 divisors, whose sum is σ = 68065248. Its totient is φ = 68065246.

The previous prime is 68065183. The next prime is 68065313. The reversal of 68065247 is 74256086.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68065247 - 2⁶ = 68065183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68065247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68065147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34032623 + 34032624.

It is an arithmetic number, because the mean of its divisors is an integer number (34032624).

Almost surely, 2^68065247 is an apocalyptic number.

68065247 is a deficient number, since it is larger than the sum of its proper divisors (1).

68065247 is an equidigital number, since it uses as much as digits as its factorization.

68065247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 68065247 is about 8250.1664831687. The cubic root of 68065247 is about 408.2960153966.

The spelling of 68065247 in words is "sixty-eight million, sixty-five thousand, two hundred forty-seven".