99729433 has 4 divisors (see below), whose sum is σ = 101218000. Its totient is φ = 98240868.

The previous prime is 99729419. The next prime is 99729437. The reversal of 99729433 is 33492799.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33492799 = 1093 ⋅30643.

It is a cyclic number.

It is not a de Polignac number, because 99729433 - 2⁹ = 99728921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99729437) 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, 744183 + ... + 744316.

It is an arithmetic number, because the mean of its divisors is an integer number (25304500).

Almost surely, 2^99729433 is an apocalyptic number.

It is an amenable number.

99729433 is a deficient number, since it is larger than the sum of its proper divisors (1488567).

99729433 is a wasteful number, since it uses less digits than its factorization.

99729433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488566.

The product of its digits is 367416, while the sum is 46.

The square root of 99729433 is about 9986.4624867868. The cubic root of 99729433 is about 463.7398849880.

The spelling of 99729433 in words is "ninety-nine million, seven hundred twenty-nine thousand, four hundred thirty-three".