9746728 has 16 divisors (see below), whose sum is σ = 18410580. Its totient is φ = 4837248.

The previous prime is 9746707. The next prime is 9746731. The reversal of 9746728 is 8276479.

It can be written as a sum of positive squares in 2 ways, for example, as 9498724 + 248004 = 3082^2 + 498^2 .

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, 3351 + ... + 5542.

Almost surely, 2^9746728 is an apocalyptic number.

It is an amenable number.

9746728 is a deficient number, since it is larger than the sum of its proper divisors (8663852).

9746728 is a wasteful number, since it uses less digits than its factorization.

9746728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9036 (or 9032 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 9746728 is about 3121.9750159154. The cubic root of 9746728 is about 213.6090337373.

The spelling of 9746728 in words is "nine million, seven hundred forty-six thousand, seven hundred twenty-eight".