556743 has 8 divisors (see below), whose sum is σ = 809856. Its totient is φ = 337400.

The previous prime is 556741. The next prime is 556753. The reversal of 556743 is 347655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556743 - 2¹ = 556741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556741) 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, 8403 + ... + 8468.

It is an arithmetic number, because the mean of its divisors is an integer number (101232).

2⁵⁵⁶⁷⁴³ is an apocalyptic number.

556743 is a deficient number, since it is larger than the sum of its proper divisors (253113).

556743 is a wasteful number, since it uses less digits than its factorization.

556743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16885.

The product of its digits is 12600, while the sum is 30.

The square root of 556743 is about 746.1521292605. The cubic root of 556743 is about 82.2655972613.

The spelling of 556743 in words is "five hundred fifty-six thousand, seven hundred forty-three".