573547680 has 144 divisors (see below), whose sum is σ = 2060341920. Its totient is φ = 144889344.

The previous prime is 573547669. The next prime is 573547687. The reversal of 573547680 is 86745375.

573547680 is a `hidden beast` number, since 573 + 5 + 4 + 76 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 (573547687) 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, 16879 + ... + 37841.

It is an arithmetic number, because the mean of its divisors is an integer number (14307930).

Almost surely, 2^573547680 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 573547680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030170960).

573547680 is an abundant number, since it is smaller than the sum of its proper divisors (1486794240).

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

573547680 is a wasteful number, since it uses less digits than its factorization.

573547680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21003 (or 20992 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 573547680 is about 23948.8555050132. The cubic root of 573547680 is about 830.8510552518.

The spelling of 573547680 in words is "five hundred seventy-three million, five hundred forty-seven thousand, six hundred eighty".