68076866 has 16 divisors (see below), whose sum is σ = 119968128. Its totient is φ = 28563600.

The previous prime is 68076863. The next prime is 68076887. The reversal of 68076866 is 66867086.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68076866.

It is not an unprimeable number, because it can be changed into a prime (68076863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118730 + ... + 119301.

It is an arithmetic number, because the mean of its divisors is an integer number (7498008).

Almost surely, 2^68076866 is an apocalyptic number.

68076866 is a deficient number, since it is larger than the sum of its proper divisors (51891262).

68076866 is a wasteful number, since it uses less digits than its factorization.

68076866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238057.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 68076866 is about 8250.8706207285. The cubic root of 68076866 is about 408.3192466426.

The spelling of 68076866 in words is "sixty-eight million, seventy-six thousand, eight hundred sixty-six".