68656306 has 16 divisors (see below), whose sum is σ = 105188544. Its totient is φ = 33596784.

The previous prime is 68656297. The next prime is 68656339. The reversal of 68656306 is 60365686.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 83011 + ... + 83833.

It is an arithmetic number, because the mean of its divisors is an integer number (6574284).

Almost surely, 2^68656306 is an apocalyptic number.

68656306 is a deficient number, since it is larger than the sum of its proper divisors (36532238).

68656306 is a wasteful number, since it uses less digits than its factorization.

68656306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 68656306 is about 8285.9100888195. The cubic root of 68656306 is about 409.4744525461.

The spelling of 68656306 in words is "sixty-eight million, six hundred fifty-six thousand, three hundred six".