68944305 has 8 divisors (see below), whose sum is σ = 110310912. Its totient is φ = 36770288.

The previous prime is 68944289. The next prime is 68944307. The reversal of 68944305 is 50344986.

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 68944305 - 2⁴ = 68944289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68944307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2298129 + ... + 2298158.

It is an arithmetic number, because the mean of its divisors is an integer number (13788864).

Almost surely, 2^68944305 is an apocalyptic number.

It is an amenable number.

68944305 is a deficient number, since it is larger than the sum of its proper divisors (41366607).

68944305 is a wasteful number, since it uses less digits than its factorization.

68944305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596295.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 68944305 is about 8303.2707410996. The cubic root of 68944305 is about 410.0462073641.

The spelling of 68944305 in words is "sixty-eight million, nine hundred forty-four thousand, three hundred five".