99071252 has 48 divisors (see below), whose sum is σ = 204435840. Its totient is φ = 41126400.

The previous prime is 99071213. The next prime is 99071267. The reversal of 99071252 is 25217099.

It is a super-2 number, since 2×99071252² = 19630225945695008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242024 + ... + 242432.

It is an arithmetic number, because the mean of its divisors is an integer number (4259080).

Almost surely, 2^99071252 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 99071252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102217920).

99071252 is an abundant number, since it is smaller than the sum of its proper divisors (105364588).

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

99071252 is a wasteful number, since it uses less digits than its factorization.

99071252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 670 counting only the distinct ones).

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

The square root of 99071252 is about 9953.4542747732. The cubic root of 99071252 is about 462.7174562512.

The spelling of 99071252 in words is "ninety-nine million, seventy-one thousand, two hundred fifty-two".