9729552 has 80 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 2656896.

The previous prime is 9729541. The next prime is 9729553. The reversal of 9729552 is 2559279.

It is a self number, because there is not a number n which added to its sum of digits gives 9729552.

It is not an unprimeable number, because it can be changed into a prime (9729553) 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, 7099 + ... + 8357.

It is an arithmetic number, because the mean of its divisors is an integer number (374976).

Almost surely, 2^9729552 is an apocalyptic number.

9729552 is a gapful number since it is divisible by the number (92) 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 9729552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14999040).

9729552 is an abundant number, since it is smaller than the sum of its proper divisors (20268528).

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

9729552 is a wasteful number, since it uses less digits than its factorization.

9729552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1294 counting only the distinct ones).

The product of its digits is 56700, while the sum is 39.

The square root of 9729552 is about 3119.2229801667. Note that the first 3 decimals coincide. The cubic root of 9729552 is about 213.4834837046.

The spelling of 9729552 in words is "nine million, seven hundred twenty-nine thousand, five hundred fifty-two".