68344603 has 2 divisors, whose sum is σ = 68344604. Its totient is φ = 68344602.

The previous prime is 68344589. The next prime is 68344609. The reversal of 68344603 is 30644386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68344603 - 2¹⁷ = 68213531 is a prime.

It is not a weakly prime, because it can be changed into another prime (68344609) 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, 34172301 + 34172302.

It is an arithmetic number, because the mean of its divisors is an integer number (34172302).

Almost surely, 2^68344603 is an apocalyptic number.

68344603 is a deficient number, since it is larger than the sum of its proper divisors (1).

68344603 is an equidigital number, since it uses as much as digits as its factorization.

68344603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 68344603 is about 8267.0794722199. The cubic root of 68344603 is about 408.8538343446.

Adding to 68344603 its reverse (30644386), we get a palindrome (98988989).

The spelling of 68344603 in words is "sixty-eight million, three hundred forty-four thousand, six hundred three".