8731942560 has 576 divisors, whose sum is σ = 35723286144. Its totient is φ = 1990656000.

The previous prime is 8731942547. The next prime is 8731942579. The reversal of 8731942560 is 652491378.

8731942560 is a `hidden beast` number, since 8 + 73 + 19 + 4 + 2 + 560 = 666.

8731942560 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8731942560² (a number of 21 digits) contains 22 as substring.

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

8731942560 is strictly pandigital in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7269960 + ... + 7271160.

It is an arithmetic number, because the mean of its divisors is an integer number (62019594).

It is a 1-persistent number, because it is pandigital, but 2⋅8731942560 = 17463885120 is not.

Almost surely, 2^8731942560 is an apocalyptic number.

8731942560 is a gapful number since it is divisible by the number (80) 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 8731942560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17861643072).

8731942560 is an abundant number, since it is smaller than the sum of its proper divisors (26991343584).

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

8731942560 is a wasteful number, since it uses less digits than its factorization.

8731942560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 8731942560 is about 93444.8637432791. The cubic root of 8731942560 is about 2059.2241524870.

The spelling of 8731942560 in words is "eight billion, seven hundred thirty-one million, nine hundred forty-two thousand, five hundred sixty".