99051072 has 112 divisors (see below), whose sum is σ = 274271232. Its totient is φ = 31518720.

The previous prime is 99051067. The next prime is 99051079. The reversal of 99051072 is 27015099.

It is a super-2 number, since 2×99051072² = 19622229728698368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99051079) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 518497 + ... + 518687.

Almost surely, 2^99051072 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 99051072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137135616).

99051072 is an abundant number, since it is smaller than the sum of its proper divisors (175220160).

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

99051072 is a wasteful number, since it uses less digits than its factorization.

99051072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 99051072 is about 9952.4405047204. The cubic root of 99051072 is about 462.6860368699.

The spelling of 99051072 in words is "ninety-nine million, fifty-one thousand, seventy-two".