99575612 has 12 divisors (see below), whose sum is σ = 175019880. Its totient is φ = 49569936.

The previous prime is 99575611. The next prime is 99575639. The reversal of 99575612 is 21657599.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99575611) 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, 53438 + ... + 55269.

It is an arithmetic number, because the mean of its divisors is an integer number (14584990).

Almost surely, 2^99575612 is an apocalyptic number.

It is an amenable number.

99575612 is a deficient number, since it is larger than the sum of its proper divisors (75444268).

99575612 is a wasteful number, since it uses less digits than its factorization.

99575612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108940 (or 108938 counting only the distinct ones).

The product of its digits is 170100, while the sum is 44.

The square root of 99575612 is about 9978.7580389545. The cubic root of 99575612 is about 463.5013407709.

The spelling of 99575612 in words is "ninety-nine million, five hundred seventy-five thousand, six hundred twelve".