99072512 has 120 divisors (see below), whose sum is σ = 251903520. Its totient is φ = 38492160.

The previous prime is 99072503. The next prime is 99072521. The reversal of 99072512 is 21527099.

It is an interprime number because it is at equal distance from previous prime (99072503) and next prime (99072521).

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 11 ways as a sum of consecutive naturals, for example, 275789 + ... + 276147.

It is an arithmetic number, because the mean of its divisors is an integer number (2099196).

Almost surely, 2^99072512 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 99072512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125951760).

99072512 is an abundant number, since it is smaller than the sum of its proper divisors (152831008).

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

99072512 is a wasteful number, since it uses less digits than its factorization.

99072512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 99072512 is about 9953.5175691813. The cubic root of 99072512 is about 462.7194178748.

The spelling of 99072512 in words is "ninety-nine million, seventy-two thousand, five hundred twelve".