573720 has 64 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 130944.

The previous prime is 573719. The next prime is 573737. The reversal of 573720 is 27375.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499 + ... + 1181.

It is an arithmetic number, because the mean of its divisors is an integer number (30780).

2⁵⁷³⁷²⁰ 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 573720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (984960).

573720 is an abundant number, since it is smaller than the sum of its proper divisors (1396200).

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

573720 is a wasteful number, since it uses less digits than its factorization.

573720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 573720 is about 757.4430671674. The cubic root of 573720 is about 83.0934255494.

The spelling of 573720 in words is "five hundred seventy-three thousand, seven hundred twenty".