9500728 has 16 divisors (see below), whose sum is σ = 17892000. Its totient is φ = 4729536.

The previous prime is 9500713. The next prime is 9500737. The reversal of 9500728 is 8270059.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9500728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573 + ... + 4396.

It is an arithmetic number, because the mean of its divisors is an integer number (1118250).

Almost surely, 2^9500728 is an apocalyptic number.

It is an amenable number.

9500728 is a deficient number, since it is larger than the sum of its proper divisors (8391272).

9500728 is a wasteful number, since it uses less digits than its factorization.

9500728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214 (or 5210 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 9500728 is about 3082.3250964167. The cubic root of 9500728 is about 211.7965890387.

The spelling of 9500728 in words is "nine million, five hundred thousand, seven hundred twenty-eight".