89326720 has 128 divisors (see below), whose sum is σ = 247541760. Its totient is φ = 30191616.

The previous prime is 89326693. The next prime is 89326729. The reversal of 89326720 is 2762398.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 89326720.

It is not an unprimeable number, because it can be changed into a prime (89326729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568882 + ... + 569038.

It is an arithmetic number, because the mean of its divisors is an integer number (1933920).

Almost surely, 2^89326720 is an apocalyptic number.

89326720 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 89326720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123770880).

89326720 is an abundant number, since it is smaller than the sum of its proper divisors (158215040).

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

89326720 is a wasteful number, since it uses less digits than its factorization.

89326720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 89326720 is about 9451.2813946046. The cubic root of 89326720 is about 447.0201800284.

The spelling of 89326720 in words is "eighty-nine million, three hundred twenty-six thousand, seven hundred twenty".