99075 has 12 divisors (see below), whose sum is σ = 163928. Its totient is φ = 52800.

The previous prime is 99053. The next prime is 99079. The reversal of 99075 is 57099.

It is a happy number.

It is not a de Polignac number, because 99075 - 2⁷ = 98947 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (99079) 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, 586 + ... + 735.

2⁹⁹⁰⁷⁵ is an apocalyptic number.

99075 is a deficient number, since it is larger than the sum of its proper divisors (64853).

99075 is a wasteful number, since it uses less digits than its factorization.

99075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 1329 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 30.

The square root of 99075 is about 314.7618147107. The cubic root of 99075 is about 46.2723291254.

The spelling of 99075 in words is "ninety-nine thousand, seventy-five".