9077728 has 96 divisors (see below), whose sum is σ = 21718368. Its totient is φ = 3686400.

The previous prime is 9077723. The next prime is 9077729. The reversal of 9077728 is 8277709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9077723) 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, 221388 + ... + 221428.

It is an arithmetic number, because the mean of its divisors is an integer number (226233).

Almost surely, 2^9077728 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 9077728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10859184).

9077728 is an abundant number, since it is smaller than the sum of its proper divisors (12640640).

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

9077728 is a wasteful number, since it uses less digits than its factorization.

9077728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 9077728 is about 3012.9268162370. The cubic root of 9077728 is about 208.6054842567.

The spelling of 9077728 in words is "nine million, seventy-seven thousand, seven hundred twenty-eight".