68274866 has 16 divisors (see below), whose sum is σ = 117603360. Its totient is φ = 29400480.

The previous prime is 68274863. The next prime is 68274883. The reversal of 68274866 is 66847286.

It is a super-2 number, since 2×68274866² = 9322914654635912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68274866.

It is not an unprimeable number, because it can be changed into a prime (68274863) 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 in 7 ways as a sum of consecutive naturals, for example, 81251 + ... + 82086.

It is an arithmetic number, because the mean of its divisors is an integer number (7350210).

Almost surely, 2^68274866 is an apocalyptic number.

68274866 is a deficient number, since it is larger than the sum of its proper divisors (49328494).

68274866 is a wasteful number, since it uses less digits than its factorization.

68274866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163369.

The product of its digits is 774144, while the sum is 47.

The square root of 68274866 is about 8262.8606426588. The cubic root of 68274866 is about 408.7147258571.

The spelling of 68274866 in words is "sixty-eight million, two hundred seventy-four thousand, eight hundred sixty-six".