99749544 has 32 divisors (see below), whose sum is σ = 262500000. Its totient is φ = 31499712.

The previous prime is 99749539. The next prime is 99749567. The reversal of 99749544 is 44594799.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 108919 + ... + 109830.

It is an arithmetic number, because the mean of its divisors is an integer number (8203125).

Almost surely, 2^99749544 is an apocalyptic number.

It is an amenable number.

99749544 is an abundant number, since it is smaller than the sum of its proper divisors (162750456).

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

99749544 is a wasteful number, since it uses less digits than its factorization.

99749544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218777 (or 218773 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 99749544 is about 9987.4693491395. The cubic root of 99749544 is about 463.7710548099.

The spelling of 99749544 in words is "ninety-nine million, seven hundred forty-nine thousand, five hundred forty-four".