68338667 has 8 divisors (see below), whose sum is σ = 70495776. Its totient is φ = 66197952.

The previous prime is 68338661. The next prime is 68338679. The reversal of 68338667 is 76683386.

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

It is a cyclic number.

It is not a de Polignac number, because 68338667 - 2⁴ = 68338651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68338661) 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 7 ways as a sum of consecutive naturals, for example, 4658 + ... + 12584.

It is an arithmetic number, because the mean of its divisors is an integer number (8811972).

Almost surely, 2^68338667 is an apocalyptic number.

68338667 is a deficient number, since it is larger than the sum of its proper divisors (2157109).

68338667 is a wasteful number, since it uses less digits than its factorization.

68338667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8197.

The product of its digits is 870912, while the sum is 47.

The square root of 68338667 is about 8266.7204500939. The cubic root of 68338667 is about 408.8419971425.

The spelling of 68338667 in words is "sixty-eight million, three hundred thirty-eight thousand, six hundred sixty-seven".