67968306 has 48 divisors (see below), whose sum is σ = 173741568. Its totient is φ = 18792000.

The previous prime is 67968293. The next prime is 67968311. The reversal of 67968306 is 60386976.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4795 + ... + 12606.

It is an arithmetic number, because the mean of its divisors is an integer number (3619616).

Almost surely, 2^67968306 is an apocalyptic number.

67968306 is an abundant number, since it is smaller than the sum of its proper divisors (105773262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67968306 is a wasteful number, since it uses less digits than its factorization.

67968306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17447 (or 17444 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 67968306 is about 8244.2892962341. The cubic root of 67968306 is about 408.1020866229.

The spelling of 67968306 in words is "sixty-seven million, nine hundred sixty-eight thousand, three hundred six".