9752728473 has 24 divisors (see below), whose sum is σ = 14161341480. Its totient is φ = 6467696640.

The previous prime is 9752728471. The next prime is 9752728493. The reversal of 9752728473 is 3748272579.

9752728473 is a `hidden beast` number, since 97 + 527 + 28 + 4 + 7 + 3 = 666.

9752728473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4152900249 + 5599828224 = 64443^2 + 74832^2 .

It is not a de Polignac number, because 9752728473 - 2¹ = 9752728471 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9752728471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2585733 + ... + 2589501.

It is an arithmetic number, because the mean of its divisors is an integer number (590055895).

Almost surely, 2^9752728473 is an apocalyptic number.

It is an amenable number.

9752728473 is a deficient number, since it is larger than the sum of its proper divisors (4408613007).

9752728473 is a wasteful number, since it uses less digits than its factorization.

9752728473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209 (or 5206 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The square root of 9752728473 is about 98755.9034842981. The cubic root of 9752728473 is about 2136.5286014740.

The spelling of 9752728473 in words is "nine billion, seven hundred fifty-two million, seven hundred twenty-eight thousand, four hundred seventy-three".