68930666 has 8 divisors (see below), whose sum is σ = 118166880. Its totient is φ = 29541708.

The previous prime is 68930657. The next prime is 68930683. The reversal of 68930666 is 66603986.

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

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 3 ways as a sum of consecutive naturals, for example, 2461796 + ... + 2461823.

It is an arithmetic number, because the mean of its divisors is an integer number (14770860).

Almost surely, 2^68930666 is an apocalyptic number.

68930666 is a deficient number, since it is larger than the sum of its proper divisors (49236214).

68930666 is a wasteful number, since it uses less digits than its factorization.

68930666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923628.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 68930666 is about 8302.4493976175. The cubic root of 68930666 is about 410.0191662664.

It can be divided in two parts, 68930 and 666, that added together give a palindrome (69596).

The spelling of 68930666 in words is "sixty-eight million, nine hundred thirty thousand, six hundred sixty-six".