99264720 has 80 divisors (see below), whose sum is σ = 310069440. Its totient is φ = 26268672.

The previous prime is 99264703. The next prime is 99264733. The reversal of 99264720 is 2746299.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 31371 + ... + 34389.

It is an arithmetic number, because the mean of its divisors is an integer number (3875868).

Almost surely, 2^99264720 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 99264720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155034720).

99264720 is an abundant number, since it is smaller than the sum of its proper divisors (210804720).

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

99264720 is a wasteful number, since it uses less digits than its factorization.

99264720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172 (or 3166 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 99264720 is about 9963.1681708180. The cubic root of 99264720 is about 463.0184611995.

The spelling of 99264720 in words is "ninety-nine million, two hundred sixty-four thousand, seven hundred twenty".