89072320 has 56 divisors (see below), whose sum is σ = 217864944. Its totient is φ = 34661376.

The previous prime is 89072317. The next prime is 89072327. The reversal of 89072320 is 2327098.

It is not an unprimeable number, because it can be changed into a prime (89072327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8079 + ... + 15601.

Almost surely, 2^89072320 is an apocalyptic number.

89072320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89072320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108932472).

89072320 is an abundant number, since it is smaller than the sum of its proper divisors (128792624).

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

89072320 is a wasteful number, since it uses less digits than its factorization.

89072320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7577 (or 7567 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 89072320 is about 9437.8133060577. The cubic root of 89072320 is about 446.5954095383.

The spelling of 89072320 in words is "eighty-nine million, seventy-two thousand, three hundred twenty".