66868234 has 8 divisors (see below), whose sum is σ = 100337760. Its totient is φ = 33422316.

The previous prime is 66868231. The next prime is 66868237. The reversal of 66868234 is 43286866.

66868234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66868231) and next prime (66868237).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (66868231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5907 + ... + 12985.

It is an arithmetic number, because the mean of its divisors is an integer number (12542220).

Almost surely, 2^66868234 is an apocalyptic number.

66868234 is a deficient number, since it is larger than the sum of its proper divisors (33469526).

66868234 is a wasteful number, since it uses less digits than its factorization.

66868234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11804.

The product of its digits is 331776, while the sum is 43.

The square root of 66868234 is about 8177.2999211231. The cubic root of 66868234 is about 405.8883796141. Note that the first 3 decimals are identical.

The spelling of 66868234 in words is "sixty-six million, eight hundred sixty-eight thousand, two hundred thirty-four".