68775385 has 16 divisors (see below), whose sum is σ = 97574400. Its totient is φ = 45533376.

The previous prime is 68775379. The next prime is 68775407. The reversal of 68775385 is 58357786.

It is not a de Polignac number, because 68775385 - 2⁹ = 68774873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32865 + ... + 34894.

It is an arithmetic number, because the mean of its divisors is an integer number (6098400).

Almost surely, 2^68775385 is an apocalyptic number.

It is an amenable number.

68775385 is a deficient number, since it is larger than the sum of its proper divisors (28799015).

68775385 is a wasteful number, since it uses less digits than its factorization.

68775385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67800.

The product of its digits is 1411200, while the sum is 49.

The square root of 68775385 is about 8293.0926077067. The cubic root of 68775385 is about 409.7110496303.

The spelling of 68775385 in words is "sixty-eight million, seven hundred seventy-five thousand, three hundred eighty-five".