68068463 has 4 divisors (see below), whose sum is σ = 68168808. Its totient is φ = 67968120.

The previous prime is 68068457. The next prime is 68068499. The reversal of 68068463 is 36486086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68068463 - 2⁸ = 68068207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68068463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68068433) 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 in 3 ways as a sum of consecutive naturals, for example, 49148 + ... + 50513.

It is an arithmetic number, because the mean of its divisors is an integer number (17042202).

Almost surely, 2^68068463 is an apocalyptic number.

68068463 is a deficient number, since it is larger than the sum of its proper divisors (100345).

68068463 is an equidigital number, since it uses as much as digits as its factorization.

68068463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100344.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 68068463 is about 8250.3613860243. The cubic root of 68068463 is about 408.3024457917.

The spelling of 68068463 in words is "sixty-eight million, sixty-eight thousand, four hundred sixty-three".