75868 has 12 divisors (see below), whose sum is σ = 143080. Its totient is φ = 34992.

The previous prime is 75853. The next prime is 75869. The reversal of 75868 is 86857.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678 + ... + 781.

2⁷⁵⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

75868 is a deficient number, since it is larger than the sum of its proper divisors (67212).

75868 is a wasteful number, since it uses less digits than its factorization.

75868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1474 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 75868 is about 275.4414638358. The cubic root of 75868 is about 42.3336984420. Note that the first 3 decimals are identical.

The spelling of 75868 in words is "seventy-five thousand, eight hundred sixty-eight".