99611072 has 84 divisors (see below), whose sum is σ = 229041960. Its totient is φ = 42831360.

The previous prime is 99611069. The next prime is 99611077. The reversal of 99611072 is 27011699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99611077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146798 + ... + 147474.

It is an arithmetic number, because the mean of its divisors is an integer number (2726690).

Almost surely, 2^99611072 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 99611072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114520980).

99611072 is an abundant number, since it is smaller than the sum of its proper divisors (129430888).

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

99611072 is a wasteful number, since it uses less digits than its factorization.

99611072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 99611072 is about 9980.5346550172. The cubic root of 99611072 is about 463.5563535952.

The spelling of 99611072 in words is "ninety-nine million, six hundred eleven thousand, seventy-two".