574420 has 48 divisors (see below), whose sum is σ = 1507968. Its totient is φ = 178560.

The previous prime is 574393. The next prime is 574423. The reversal of 574420 is 24475.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 574391 and 574400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (574423) by changing a digit.

574420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1354 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (31416).

2⁵⁷⁴⁴²⁰ 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 574420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753984).

574420 is an abundant number, since it is smaller than the sum of its proper divisors (933548).

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

574420 is a wasteful number, since it uses less digits than its factorization.

574420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 574420 is about 757.9050072404. The cubic root of 574420 is about 83.1272061148.

Adding to 574420 its reverse (24475), we get a palindrome (598895).

Subtracting from 574420 its reverse (24475), we obtain a palindrome (549945).

It can be divided in two parts, 5 and 74420, that multiplied together give a square (372100 = 610²).

The spelling of 574420 in words is "five hundred seventy-four thousand, four hundred twenty".