99000075 has 24 divisors (see below), whose sum is σ = 164560896. Its totient is φ = 52516000.

The previous prime is 99000059. The next prime is 99000079. The reversal of 99000075 is 57000099.

It is a happy number.

It is not a de Polignac number, because 99000075 - 2⁴ = 99000059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99000079) 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, 10870 + ... + 17780.

It is an arithmetic number, because the mean of its divisors is an integer number (6856704).

Almost surely, 2^99000075 is an apocalyptic number.

99000075 is a deficient number, since it is larger than the sum of its proper divisors (65560821).

99000075 is a wasteful number, since it uses less digits than its factorization.

99000075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115 (or 7110 counting only the distinct ones).

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

The square root of 99000075 is about 9949.8781399573. The cubic root of 99000075 is about 462.6066177381.

The spelling of 99000075 in words is "ninety-nine million, seventy-five", and thus it is an aban number and an uban number.