9543726720 has 1024 divisors, whose sum is σ = 40186368000. Its totient is φ = 2116730880.

The previous prime is 9543726701. The next prime is 9543726727. The reversal of 9543726720 is 276273459.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (9543726727) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 161758051 + ... + 161758109.

It is an arithmetic number, because the mean of its divisors is an integer number (39244500).

Almost surely, 2^9543726720 is an apocalyptic number.

9543726720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9543726720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20093184000).

9543726720 is an abundant number, since it is smaller than the sum of its proper divisors (30642641280).

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

9543726720 is a wasteful number, since it uses less digits than its factorization.

9543726720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 9543726720 is about 97691.9992629898. Note that the first 3 decimals coincide. The cubic root of 9543726720 is about 2121.1562696831.

The spelling of 9543726720 in words is "nine billion, five hundred forty-three million, seven hundred twenty-six thousand, seven hundred twenty".