9055720 has 64 divisors (see below), whose sum is σ = 21542400. Its totient is φ = 3421440.

The previous prime is 9055699. The next prime is 9055729. The reversal of 9055720 is 275509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9055729) 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 15 ways as a sum of consecutive naturals, for example, 83026 + ... + 83134.

It is an arithmetic number, because the mean of its divisors is an integer number (336600).

Almost surely, 2^9055720 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 9055720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10771200).

9055720 is an abundant number, since it is smaller than the sum of its proper divisors (12486680).

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

9055720 is a wasteful number, since it uses less digits than its factorization.

9055720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 9055720 is about 3009.2723372935. The cubic root of 9055720 is about 208.4367671274.

The spelling of 9055720 in words is "nine million, fifty-five thousand, seven hundred twenty".