99356720 has 60 divisors (see below), whose sum is σ = 235141200. Its totient is φ = 39042432.

The previous prime is 99356717. The next prime is 99356743. The reversal of 99356720 is 2765399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499181 + ... + 499379.

It is an arithmetic number, because the mean of its divisors is an integer number (3919020).

Almost surely, 2^99356720 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 99356720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117570600).

99356720 is an abundant number, since it is smaller than the sum of its proper divisors (135784480).

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

99356720 is a wasteful number, since it uses less digits than its factorization.

99356720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 99356720 is about 9967.7841068113. The cubic root of 99356720 is about 463.1614611332.

The spelling of 99356720 in words is "ninety-nine million, three hundred fifty-six thousand, seven hundred twenty".