563742 has 12 divisors (see below), whose sum is σ = 1221480. Its totient is φ = 187908.

The previous prime is 563723. The next prime is 563743. The reversal of 563742 is 247365.

It is a happy number.

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 563742.

It is not an unprimeable number, because it can be changed into a prime (563743) by changing a digit.

563742 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 5 ways as a sum of consecutive naturals, for example, 15642 + ... + 15677.

It is an arithmetic number, because the mean of its divisors is an integer number (101790).

2⁵⁶³⁷⁴² is an apocalyptic number.

563742 is an abundant number, since it is smaller than the sum of its proper divisors (657738).

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

563742 is a wasteful number, since it uses less digits than its factorization.

563742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31327 (or 31324 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 563742 is about 750.8275434479. The cubic root of 563742 is about 82.6088920225.

The spelling of 563742 in words is "five hundred sixty-three thousand, seven hundred forty-two".