68368147 has 2 divisors, whose sum is σ = 68368148. Its totient is φ = 68368146.

The previous prime is 68368141. The next prime is 68368159. The reversal of 68368147 is 74186386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68368147 - 2¹¹ = 68366099 is a prime.

It is not a weakly prime, because it can be changed into another prime (68368141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34184073 + 34184074.

It is an arithmetic number, because the mean of its divisors is an integer number (34184074).

Almost surely, 2^68368147 is an apocalyptic number.

68368147 is a deficient number, since it is larger than the sum of its proper divisors (1).

68368147 is an equidigital number, since it uses as much as digits as its factorization.

68368147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 68368147 is about 8268.5033107570. The cubic root of 68368147 is about 408.9007775760.

The spelling of 68368147 in words is "sixty-eight million, three hundred sixty-eight thousand, one hundred forty-seven".