9761728 has 28 divisors (see below), whose sum is σ = 19539712. Its totient is φ = 4838400.

The previous prime is 9761711. The next prime is 9761737. The reversal of 9761728 is 8271679.

9761728 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7528 + ... + 8728.

Almost surely, 2^9761728 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 9761728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9769856).

9761728 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9761728 is a wasteful number, since it uses less digits than its factorization.

9761728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1330 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 9761728 is about 3124.3764177832. The cubic root of 9761728 is about 213.7185574397.

It can be divided in two parts, 976 and 1728, that added together give a square (2704 = 52²).

The spelling of 9761728 in words is "nine million, seven hundred sixty-one thousand, seven hundred twenty-eight".