574478 has 4 divisors (see below), whose sum is σ = 861720. Its totient is φ = 287238.

The previous prime is 574477. The next prime is 574489. The reversal of 574478 is 874475.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (574477) by changing a digit.

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 as a sum of consecutive naturals, namely, 143618 + ... + 143621.

It is an arithmetic number, because the mean of its divisors is an integer number (215430).

2⁵⁷⁴⁴⁷⁸ is an apocalyptic number.

574478 is a deficient number, since it is larger than the sum of its proper divisors (287242).

574478 is a wasteful number, since it uses less digits than its factorization.

574478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287241.

The product of its digits is 31360, while the sum is 35.

The square root of 574478 is about 757.9432696449. The cubic root of 574478 is about 83.1300038445.

The spelling of 574478 in words is "five hundred seventy-four thousand, four hundred seventy-eight".