99633728 has 28 divisors (see below), whose sum is σ = 198729600. Its totient is φ = 49560192.

The previous prime is 99633689. The next prime is 99633761. The reversal of 99633728 is 82733699.

It is a super-3 number, since 3×99633728³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8825 + ... + 16647.

Almost surely, 2^99633728 is an apocalyptic number.

It is an amenable number.

99633728 is a deficient number, since it is larger than the sum of its proper divisors (99095872).

99633728 is a wasteful number, since it uses less digits than its factorization.

99633728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8034 (or 8024 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 99633728 is about 9981.6695998215. The cubic root of 99633728 is about 463.5914953936.

The spelling of 99633728 in words is "ninety-nine million, six hundred thirty-three thousand, seven hundred twenty-eight".