68105894 has 8 divisors (see below), whose sum is σ = 104534760. Its totient is φ = 33260976.

The previous prime is 68105887. The next prime is 68105897. The reversal of 68105894 is 49850186.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68105897) 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, 395879 + ... + 396050.

It is an arithmetic number, because the mean of its divisors is an integer number (13066845).

Almost surely, 2^68105894 is an apocalyptic number.

68105894 is a deficient number, since it is larger than the sum of its proper divisors (36428866).

68105894 is a wasteful number, since it uses less digits than its factorization.

68105894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791974.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 68105894 is about 8252.6295203408. The cubic root of 68105894 is about 408.3772742199.

The spelling of 68105894 in words is "sixty-eight million, one hundred five thousand, eight hundred ninety-four".