9756120673 has 8 divisors (see below), whose sum is σ = 10507482216. Its totient is φ = 9004886400.

The previous prime is 9756120659. The next prime is 9756120679. The reversal of 9756120673 is 3760216579.

It can be written as a sum of positive squares in 4 ways, for example, as 1695133584 + 8060987089 = 41172^2 + 89783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9756120673 - 2⁵ = 9756120641 is a prime.

It is a super-2 number, since 2×9756120673² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9756120679) 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 7 ways as a sum of consecutive naturals, for example, 179343 + ... + 227323.

It is an arithmetic number, because the mean of its divisors is an integer number (1313435277).

Almost surely, 2^9756120673 is an apocalyptic number.

It is an amenable number.

9756120673 is a deficient number, since it is larger than the sum of its proper divisors (751361543).

9756120673 is a wasteful number, since it uses less digits than its factorization.

9756120673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63635.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 9756120673 is about 98773.0766605961. The cubic root of 9756120673 is about 2136.7762823230.

The spelling of 9756120673 in words is "nine billion, seven hundred fifty-six million, one hundred twenty thousand, six hundred seventy-three".