68134697 has 2 divisors, whose sum is σ = 68134698. Its totient is φ = 68134696.

The previous prime is 68134687. The next prime is 68134721. The reversal of 68134697 is 79643186.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68079001 + 55696 = 8251^2 + 236^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68134697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68134637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34067348 + 34067349.

It is an arithmetic number, because the mean of its divisors is an integer number (34067349).

Almost surely, 2^68134697 is an apocalyptic number.

It is an amenable number.

68134697 is a deficient number, since it is larger than the sum of its proper divisors (1).

68134697 is an equidigital number, since it uses as much as digits as its factorization.

68134697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 68134697 is about 8254.3744160294. The cubic root of 68134697 is about 408.4348357228.

The spelling of 68134697 in words is "sixty-eight million, one hundred thirty-four thousand, six hundred ninety-seven".