9748728 has 96 divisors (see below), whose sum is σ = 29845200. Its totient is φ = 2946240.

The previous prime is 9748721. The next prime is 9748741. The reversal of 9748728 is 8278479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9748721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25950 + ... + 26322.

Almost surely, 2^9748728 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 9748728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14922600).

9748728 is an abundant number, since it is smaller than the sum of its proper divisors (20096472).

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

9748728 is a wasteful number, since it uses less digits than its factorization.

9748728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 389 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 9748728 is about 3122.2953095439. The cubic root of 9748728 is about 213.6236433871.

The spelling of 9748728 in words is "nine million, seven hundred forty-eight thousand, seven hundred twenty-eight".