99047620 has 72 divisors (see below), whose sum is σ = 243613440. Its totient is φ = 33727680.

The previous prime is 99047617. The next prime is 99047621. The reversal of 99047620 is 2674099.

It is a super-3 number, since 3×99047620³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99047620.

It is not an unprimeable number, because it can be changed into a prime (99047621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206541 + ... + 207019.

It is an arithmetic number, because the mean of its divisors is an integer number (3383520).

Almost surely, 2^99047620 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 99047620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121806720).

99047620 is an abundant number, since it is smaller than the sum of its proper divisors (144565820).

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

99047620 is a wasteful number, since it uses less digits than its factorization.

99047620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 99047620 is about 9952.2670784098. The cubic root of 99047620 is about 462.6806618287.

The spelling of 99047620 in words is "ninety-nine million, forty-seven thousand, six hundred twenty".