68767666 has 8 divisors (see below), whose sum is σ = 112528944. Its totient is φ = 31258020.

The previous prime is 68767651. The next prime is 68767667. The reversal of 68767666 is 66676786.

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 (68767667) 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, 1562880 + ... + 1562923.

It is an arithmetic number, because the mean of its divisors is an integer number (14066118).

Almost surely, 2^68767666 is an apocalyptic number.

68767666 is a deficient number, since it is larger than the sum of its proper divisors (43761278).

68767666 is a wasteful number, since it uses less digits than its factorization.

68767666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125816.

The product of its digits is 3048192, while the sum is 52.

The square root of 68767666 is about 8292.6272073451. The cubic root of 68767666 is about 409.6957210942.

The spelling of 68767666 in words is "sixty-eight million, seven hundred sixty-seven thousand, six hundred sixty-six".