75699 has 12 divisors (see below), whose sum is σ = 117936. Its totient is φ = 46512.

The previous prime is 75689. The next prime is 75703. The reversal of 75699 is 99657.

It is not a de Polignac number, because 75699 - 2⁴ = 75683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207 + ... + 440.

It is an arithmetic number, because the mean of its divisors is an integer number (9828).

2⁷⁵⁶⁹⁹ is an apocalyptic number.

75699 is a deficient number, since it is larger than the sum of its proper divisors (42237).

75699 is a wasteful number, since it uses less digits than its factorization.

75699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 663 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 75699 is about 275.1345125570. The cubic root of 75699 is about 42.3022415525.

It can be divided in two parts, 7569 and 9, that multiplied together give a square (68121 = 261²).

The spelling of 75699 in words is "seventy-five thousand, six hundred ninety-nine".