68755906 has 16 divisors (see below), whose sum is σ = 105171840. Its totient is φ = 33702480.

The previous prime is 68755891. The next prime is 68755937. The reversal of 68755906 is 60955786.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45495 + ... + 46981.

It is an arithmetic number, because the mean of its divisors is an integer number (6573240).

Almost surely, 2^68755906 is an apocalyptic number.

68755906 is a deficient number, since it is larger than the sum of its proper divisors (36415934).

68755906 is a wasteful number, since it uses less digits than its factorization.

68755906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 68755906 is about 8291.9181134403. The cubic root of 68755906 is about 409.6723656588.

The spelling of 68755906 in words is "sixty-eight million, seven hundred fifty-five thousand, nine hundred six".