99724130 has 32 divisors (see below), whose sum is σ = 199998720. Its totient is φ = 35489920.

The previous prime is 99724129. The next prime is 99724151. The reversal of 99724130 is 3142799.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4475 + ... + 14814.

It is an arithmetic number, because the mean of its divisors is an integer number (6249960).

Almost surely, 2^99724130 is an apocalyptic number.

99724130 is an abundant number, since it is smaller than the sum of its proper divisors (100274590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99724130 is a wasteful number, since it uses less digits than its factorization.

99724130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19354.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 99724130 is about 9986.1969738234. The cubic root of 99724130 is about 463.7316652274.

The spelling of 99724130 in words is "ninety-nine million, seven hundred twenty-four thousand, one hundred thirty".