68740303 has 2 divisors, whose sum is σ = 68740304. Its totient is φ = 68740302.

The previous prime is 68740291. The next prime is 68740319. The reversal of 68740303 is 30304786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68740303 - 2²¹ = 66643151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68740363) 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, 34370151 + 34370152.

It is an arithmetic number, because the mean of its divisors is an integer number (34370152).

Almost surely, 2^68740303 is an apocalyptic number.

68740303 is a deficient number, since it is larger than the sum of its proper divisors (1).

68740303 is an equidigital number, since it uses as much as digits as its factorization.

68740303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 68740303 is about 8290.9772041660. The cubic root of 68740303 is about 409.6413738896.

The spelling of 68740303 in words is "sixty-eight million, seven hundred forty thousand, three hundred three".