68755805 has 16 divisors (see below), whose sum is σ = 85034880. Its totient is φ = 53330112.

The previous prime is 68755801. The next prime is 68755807. The reversal of 68755805 is 50855786.

It is a cyclic number.

It is not a de Polignac number, because 68755805 - 2² = 68755801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68755801) 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 15 ways as a sum of consecutive naturals, for example, 77072 + ... + 77958.

It is an arithmetic number, because the mean of its divisors is an integer number (5314680).

Almost surely, 2^68755805 is an apocalyptic number.

It is an amenable number.

68755805 is a deficient number, since it is larger than the sum of its proper divisors (16279075).

68755805 is a wasteful number, since it uses less digits than its factorization.

68755805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348.

The product of its (nonzero) digits is 336000, while the sum is 44.

The square root of 68755805 is about 8291.9120231705. The cubic root of 68755805 is about 409.6721650606.

The spelling of 68755805 in words is "sixty-eight million, seven hundred fifty-five thousand, eight hundred five".