89199072 has 72 divisors (see below), whose sum is σ = 267026760. Its totient is φ = 28166400.

The previous prime is 89199049. The next prime is 89199107. The reversal of 89199072 is 27099198.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×89199072² = 15912948891322368, 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 11 ways as a sum of consecutive naturals, for example, 2679 + ... + 13622.

It is an arithmetic number, because the mean of its divisors is an integer number (3708705).

Almost surely, 2^89199072 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 89199072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133513380).

89199072 is an abundant number, since it is smaller than the sum of its proper divisors (177827688).

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

89199072 is a wasteful number, since it uses less digits than its factorization.

89199072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16336 (or 16325 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 89199072 is about 9444.5260336345. The cubic root of 89199072 is about 446.8071477139.

The spelling of 89199072 in words is "eighty-nine million, one hundred ninety-nine thousand, seventy-two".