99741924 has 72 divisors (see below), whose sum is σ = 270466560. Its totient is φ = 30880512.

The previous prime is 99741923. The next prime is 99741931. The reversal of 99741924 is 42914799.

It is a happy number.

It is a super-3 number, since 3×99741924³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 99741924.

It is not an unprimeable number, because it can be changed into a prime (99741923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47317 + ... + 49379.

It is an arithmetic number, because the mean of its divisors is an integer number (3756480).

Almost surely, 2^99741924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99741924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135233280).

99741924 is an abundant number, since it is smaller than the sum of its proper divisors (170724636).

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

99741924 is a wasteful number, since it uses less digits than its factorization.

99741924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169 (or 2164 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 99741924 is about 9987.0878638370. The cubic root of 99741924 is about 463.7592451471.

The spelling of 99741924 in words is "ninety-nine million, seven hundred forty-one thousand, nine hundred twenty-four".