68884018 has 24 divisors (see below), whose sum is σ = 121078656. Its totient is φ = 28791840.

The previous prime is 68884001. The next prime is 68884021. The reversal of 68884018 is 81048886.

It is a super-6 number, since 6×68884018⁶ (a number of 48 digits) contains 666666 as substring.

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 11 ways as a sum of consecutive naturals, for example, 22071 + ... + 24997.

It is an arithmetic number, because the mean of its divisors is an integer number (5044944).

Almost surely, 2^68884018 is an apocalyptic number.

68884018 is a deficient number, since it is larger than the sum of its proper divisors (52194638).

68884018 is a wasteful number, since it uses less digits than its factorization.

68884018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018 (or 2977 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 43.

The square root of 68884018 is about 8299.6396307310. The cubic root of 68884018 is about 409.9266535462.

The spelling of 68884018 in words is "sixty-eight million, eight hundred eighty-four thousand, eighteen".