9573949672 has 96 divisors (see below), whose sum is σ = 22020012000. Its totient is φ = 3880275840.

The previous prime is 9573949669. The next prime is 9573949673. The reversal of 9573949672 is 2769493759.

It is a self number, because there is not a number n which added to its sum of digits gives 9573949672.

It is not an unprimeable number, because it can be changed into a prime (9573949673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7603779 + ... + 7605037.

It is an arithmetic number, because the mean of its divisors is an integer number (229375125).

Almost surely, 2^9573949672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9573949672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11010006000).

9573949672 is an abundant number, since it is smaller than the sum of its proper divisors (12446062328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9573949672 is a wasteful number, since it uses less digits than its factorization.

9573949672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319 (or 2308 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 61.

The square root of 9573949672 is about 97846.5618813456. The cubic root of 9573949672 is about 2123.3929938019.

The spelling of 9573949672 in words is "nine billion, five hundred seventy-three million, nine hundred forty-nine thousand, six hundred seventy-two".