68775 has 24 divisors (see below), whose sum is σ = 130944. Its totient is φ = 31200.

The previous prime is 68771. The next prime is 68777. The reversal of 68775 is 57786.

It is not a de Polignac number, because 68775 - 2² = 68771 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 68775.

It is not an unprimeable number, because it can be changed into a prime (68771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460 + ... + 590.

It is an arithmetic number, because the mean of its divisors is an integer number (5456).

2⁶⁸⁷⁷⁵ is an apocalyptic number.

68775 is a deficient number, since it is larger than the sum of its proper divisors (62169).

68775 is a wasteful number, since it uses less digits than its factorization.

68775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 146 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 68775 is about 262.2498808389. The cubic root of 68775 is about 40.9710285117.

It can be divided in two parts, 6 and 8775, that multiplied together give a triangular number (52650 = T₃₂₄).

The spelling of 68775 in words is "sixty-eight thousand, seven hundred seventy-five".