68260747 has 2 divisors, whose sum is σ = 68260748. Its totient is φ = 68260746.

The previous prime is 68260741. The next prime is 68260789. The reversal of 68260747 is 74706286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68260747 - 2¹¹ = 68258699 is a prime.

It is not a weakly prime, because it can be changed into another prime (68260741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34130373 + 34130374.

It is an arithmetic number, because the mean of its divisors is an integer number (34130374).

Almost surely, 2^68260747 is an apocalyptic number.

68260747 is a deficient number, since it is larger than the sum of its proper divisors (1).

68260747 is an equidigital number, since it uses as much as digits as its factorization.

68260747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 68260747 is about 8262.0062333552. The cubic root of 68260747 is about 408.6865503299.

The spelling of 68260747 in words is "sixty-eight million, two hundred sixty thousand, seven hundred forty-seven".