9728750 has 40 divisors (see below), whose sum is σ = 18762744. Its totient is φ = 3780000.

The previous prime is 9728737. The next prime is 9728753. The reversal of 9728750 is 578279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9728753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53660 + ... + 53840.

Almost surely, 2^9728750 is an apocalyptic number.

9728750 is a deficient number, since it is larger than the sum of its proper divisors (9033994).

9728750 is a wasteful number, since it uses less digits than its factorization.

9728750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 9728750 is about 3119.0944198597. The cubic root of 9728750 is about 213.4776177799.

The spelling of 9728750 in words is "nine million, seven hundred twenty-eight thousand, seven hundred fifty".