574740 has 72 divisors (see below), whose sum is σ = 1817088. Its totient is φ = 146880.

The previous prime is 574733. The next prime is 574741. The reversal of 574740 is 47475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (574741) by changing a digit.

574740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5529 + ... + 5631.

2⁵⁷⁴⁷⁴⁰ 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 574740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908544).

574740 is an abundant number, since it is smaller than the sum of its proper divisors (1242348).

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

574740 is a wasteful number, since it uses less digits than its factorization.

574740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 574740 is about 758.1160860976. The cubic root of 574740 is about 83.1426395188.

The spelling of 574740 in words is "five hundred seventy-four thousand, seven hundred forty".