99709532 has 24 divisors (see below), whose sum is σ = 190495536. Its totient is φ = 45387648.

The previous prime is 99709517. The next prime is 99709543. The reversal of 99709532 is 23590799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9338 + ... + 16929.

It is an arithmetic number, because the mean of its divisors is an integer number (7937314).

Almost surely, 2^99709532 is an apocalyptic number.

It is an amenable number.

99709532 is a deficient number, since it is larger than the sum of its proper divisors (90786004).

99709532 is a wasteful number, since it uses less digits than its factorization.

99709532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26357 (or 26355 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 99709532 is about 9985.4660381977. The cubic root of 99709532 is about 463.7090365176.

The spelling of 99709532 in words is "ninety-nine million, seven hundred nine thousand, five hundred thirty-two".