563740 has 24 divisors (see below), whose sum is σ = 1203552. Its totient is φ = 221760.

The previous prime is 563723. The next prime is 563743. The reversal of 563740 is 47365.

It is an Ulam number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222 + ... + 1618.

It is an arithmetic number, because the mean of its divisors is an integer number (50148).

2⁵⁶³⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

563740 is an abundant number, since it is smaller than the sum of its proper divisors (639812).

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

563740 is a wasteful number, since it uses less digits than its factorization.

563740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 563740 is about 750.8262115829. The cubic root of 563740 is about 82.6087943312.

The spelling of 563740 in words is "five hundred sixty-three thousand, seven hundred forty".