99743748 has 48 divisors (see below), whose sum is σ = 254909760. Its totient is φ = 30167424.

The previous prime is 99743747. The next prime is 99743773. The reversal of 99743748 is 84734799.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99743748.

It is not an unprimeable number, because it can be changed into a prime (99743747) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3786 + ... + 14622.

It is an arithmetic number, because the mean of its divisors is an integer number (5310620).

Almost surely, 2^99743748 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 99743748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127454880).

99743748 is an abundant number, since it is smaller than the sum of its proper divisors (155166012).

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

99743748 is a wasteful number, since it uses less digits than its factorization.

99743748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10916 (or 10914 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 99743748 is about 9987.1791813304. The cubic root of 99743748 is about 463.7620720818.

The spelling of 99743748 in words is "ninety-nine million, seven hundred forty-three thousand, seven hundred forty-eight".