68308066 has 8 divisors (see below), whose sum is σ = 105767424. Its totient is φ = 33052260.

The previous prime is 68308049. The next prime is 68308067. The reversal of 68308066 is 66080386.

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 (68308067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550810 + ... + 550933.

It is an arithmetic number, because the mean of its divisors is an integer number (13220928).

Almost surely, 2^68308066 is an apocalyptic number.

68308066 is a deficient number, since it is larger than the sum of its proper divisors (37459358).

68308066 is a wasteful number, since it uses less digits than its factorization.

68308066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101776.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 68308066 is about 8264.8693879577. The cubic root of 68308066 is about 408.7809636536.

The spelling of 68308066 in words is "sixty-eight million, three hundred eight thousand, sixty-six".