75899 has 4 divisors (see below), whose sum is σ = 77040. Its totient is φ = 74760.

The previous prime is 75883. The next prime is 75913. The reversal of 75899 is 99857.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99857 = 61 ⋅1637.

It is a cyclic number.

It is not a de Polignac number, because 75899 - 2⁴ = 75883 is a prime.

It is a Duffinian 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464 + ... + 605.

It is an arithmetic number, because the mean of its divisors is an integer number (19260).

2⁷⁵⁸⁹⁹ is an apocalyptic number.

75899 is a deficient number, since it is larger than the sum of its proper divisors (1141).

75899 is a wasteful number, since it uses less digits than its factorization.

75899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140.

The product of its digits is 22680, while the sum is 38.

The square root of 75899 is about 275.4977313881. The cubic root of 75899 is about 42.3394635690.

The spelling of 75899 in words is "seventy-five thousand, eight hundred ninety-nine".