99732512 has 48 divisors (see below), whose sum is σ = 215151552. Its totient is φ = 45131520.

The previous prime is 99732491. The next prime is 99732517. The reversal of 99732512 is 21523799.

It is not an unprimeable number, because it can be changed into a prime (99732517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102653 + ... + 103619.

It is an arithmetic number, because the mean of its divisors is an integer number (4482324).

Almost surely, 2^99732512 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 99732512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107575776).

99732512 is an abundant number, since it is smaller than the sum of its proper divisors (115419040).

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

99732512 is a wasteful number, since it uses less digits than its factorization.

99732512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1273 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 99732512 is about 9986.6166442895. The cubic root of 99732512 is about 463.7446573685.

The spelling of 99732512 in words is "ninety-nine million, seven hundred thirty-two thousand, five hundred twelve".