68447786 has 16 divisors (see below), whose sum is σ = 112294080. Its totient is φ = 31032480.

The previous prime is 68447773. The next prime is 68447807. The reversal of 68447786 is 68774486.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 5195 + ... + 12801.

It is an arithmetic number, because the mean of its divisors is an integer number (7018380).

Almost surely, 2^68447786 is an apocalyptic number.

68447786 is a deficient number, since it is larger than the sum of its proper divisors (43846294).

68447786 is a wasteful number, since it uses less digits than its factorization.

68447786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8029.

The product of its digits is 1806336, while the sum is 50.

The square root of 68447786 is about 8273.3177141942. The cubic root of 68447786 is about 409.0594860503.

The spelling of 68447786 in words is "sixty-eight million, four hundred forty-seven thousand, seven hundred eighty-six".