99729435 has 24 divisors (see below), whose sum is σ = 172790064. Its totient is φ = 49096320.

The previous prime is 99729419. The next prime is 99729437. The reversal of 99729435 is 53492799.

It is not a de Polignac number, because 99729435 - 2⁴ = 99729419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99729437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17136 + ... + 22205.

It is an arithmetic number, because the mean of its divisors is an integer number (7199586).

Almost surely, 2^99729435 is an apocalyptic number.

99729435 is a deficient number, since it is larger than the sum of its proper divisors (73060629).

99729435 is a wasteful number, since it uses less digits than its factorization.

99729435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39375 (or 39362 counting only the distinct ones).

The product of its digits is 612360, while the sum is 48.

The square root of 99729435 is about 9986.4625869224. The cubic root of 99729435 is about 463.7398880880.

The spelling of 99729435 in words is "ninety-nine million, seven hundred twenty-nine thousand, four hundred thirty-five".