99724141 has 8 divisors (see below), whose sum is σ = 114516000. Its totient is φ = 85886640.

The previous prime is 99724129. The next prime is 99724151. The reversal of 99724141 is 14142799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99724141 - 2¹⁵ = 99691373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99724141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99724151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238366 + ... + 238783.

It is an arithmetic number, because the mean of its divisors is an integer number (14314500).

Almost surely, 2^99724141 is an apocalyptic number.

It is an amenable number.

99724141 is a deficient number, since it is larger than the sum of its proper divisors (14791859).

99724141 is a wasteful number, since it uses less digits than its factorization.

99724141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477179.

The product of its digits is 18144, while the sum is 37.

The square root of 99724141 is about 9986.1975245836. The cubic root of 99724141 is about 463.7316822779.

The spelling of 99724141 in words is "ninety-nine million, seven hundred twenty-four thousand, one hundred forty-one".