68805344 has 24 divisors (see below), whose sum is σ = 135753408. Its totient is φ = 34328320.

The previous prime is 68805343. The next prime is 68805349. The reversal of 68805344 is 44350886.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68805298 and 68805307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68805343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14609 + ... + 18735.

It is an arithmetic number, because the mean of its divisors is an integer number (5656392).

Almost surely, 2^68805344 is an apocalyptic number.

It is an amenable number.

68805344 is a deficient number, since it is larger than the sum of its proper divisors (66948064).

68805344 is a wasteful number, since it uses less digits than its factorization.

68805344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658 (or 4650 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 68805344 is about 8294.8986732811. The cubic root of 68805344 is about 409.7705319169.

The spelling of 68805344 in words is "sixty-eight million, eight hundred five thousand, three hundred forty-four".