99734544 has 320 divisors, whose sum is σ = 366643200. Its totient is φ = 25256448.

The previous prime is 99734539. The next prime is 99734549. The reversal of 99734544 is 44543799.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99734539) and next prime (99734549).

It is a self number, because there is not a number n which added to its sum of digits gives 99734544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99734549) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1690387 + ... + 1690445.

It is an arithmetic number, because the mean of its divisors is an integer number (1145760).

Almost surely, 2^99734544 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 99734544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183321600).

99734544 is an abundant number, since it is smaller than the sum of its proper divisors (266908656).

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

99734544 is a wasteful number, since it uses less digits than its factorization.

99734544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 127 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 99734544 is about 9986.7183799284. The cubic root of 99734544 is about 463.7478068689.

The spelling of 99734544 in words is "ninety-nine million, seven hundred thirty-four thousand, five hundred forty-four".