573648 has 80 divisors (see below), whose sum is σ = 1696320. Its totient is φ = 165888.

The previous prime is 573647. The next prime is 573673. The reversal of 573648 is 846375.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (20160) is a multiple of the sum of its prime factors (84).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 573648.

It is not an unprimeable number, because it can be changed into a prime (573647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15486 + ... + 15522.

It is an arithmetic number, because the mean of its divisors is an integer number (21204).

573648 is a Friedman number, since it can be written as 74*(6^5-8*3), using all its digits and the basic arithmetic operations.

2⁵⁷³⁶⁴⁸ 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 573648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848160).

573648 is an abundant number, since it is smaller than the sum of its proper divisors (1122672).

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

573648 is a wasteful number, since it uses less digits than its factorization.

573648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 78 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 573648 is about 757.3955373515. The cubic root of 573648 is about 83.0899494188.

It can be divided in two parts, 573 and 648, that added together give a palindrome (1221).

The spelling of 573648 in words is "five hundred seventy-three thousand, six hundred forty-eight".