573541920 has 288 divisors, whose sum is σ = 2369098368. Its totient is φ = 123346944.

The previous prime is 573541897. The next prime is 573541931. The reversal of 573541920 is 29145375.

573541920 is a `hidden beast` number, since 573 + 54 + 19 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169687 + ... + 173033.

It is an arithmetic number, because the mean of its divisors is an integer number (8226036).

Almost surely, 2^573541920 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 573541920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184549184).

573541920 is an abundant number, since it is smaller than the sum of its proper divisors (1795556448).

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

573541920 is a wasteful number, since it uses less digits than its factorization.

573541920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392 (or 3381 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 573541920 is about 23948.7352484427. The cubic root of 573541920 is about 830.8482738974.

The spelling of 573541920 in words is "five hundred seventy-three million, five hundred forty-one thousand, nine hundred twenty".