66068942 has 12 divisors (see below), whose sum is σ = 100495800. Its totient is φ = 32576688.

The previous prime is 66068929. The next prime is 66068957. The reversal of 66068942 is 24986066.

66068942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66068942.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 7559 + ... + 13757.

It is an arithmetic number, because the mean of its divisors is an integer number (8374650).

Almost surely, 2^66068942 is an apocalyptic number.

66068942 is a deficient number, since it is larger than the sum of its proper divisors (34426858).

66068942 is an equidigital number, since it uses as much as digits as its factorization.

66068942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347 (or 6274 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 66068942 is about 8128.2803839435. The cubic root of 66068942 is about 404.2646658075.

The spelling of 66068942 in words is "sixty-six million, sixty-eight thousand, nine hundred forty-two".