573505920 has 640 divisors, whose sum is σ = 2363739840. Its totient is φ = 131383296.

The previous prime is 573505913. The next prime is 573505963. The reversal of 573505920 is 29505375.

It is a tau number, because it is divible by the number of its divisors (640).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15500142 + ... + 15500178.

Almost surely, 2^573505920 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 573505920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181869920).

573505920 is an abundant number, since it is smaller than the sum of its proper divisors (1790233920).

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

573505920 is a wasteful number, since it uses less digits than its factorization.

573505920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 573505920 is about 23947.9836311953. The cubic root of 573505920 is about 830.8308900105.

The spelling of 573505920 in words is "five hundred seventy-three million, five hundred five thousand, nine hundred twenty".