68395775 has 24 divisors (see below), whose sum is σ = 100276320. Its totient is φ = 45279360.

The previous prime is 68395759. The next prime is 68395783. The reversal of 68395775 is 57759386.

It is a happy number.

It is not a de Polignac number, because 68395775 - 2⁴ = 68395759 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1664 + ... + 11813.

It is an arithmetic number, because the mean of its divisors is an integer number (4178180).

Almost surely, 2^68395775 is an apocalyptic number.

68395775 is a deficient number, since it is larger than the sum of its proper divisors (31880545).

68395775 is a wasteful number, since it uses less digits than its factorization.

68395775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13523 (or 13518 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 50.

The square root of 68395775 is about 8270.1738192132. The cubic root of 68395775 is about 408.9558499538.

The spelling of 68395775 in words is "sixty-eight million, three hundred ninety-five thousand, seven hundred seventy-five".