5636743 has 4 divisors (see below), whose sum is σ = 6442000. Its totient is φ = 4831488.

The previous prime is 5636731. The next prime is 5636747. The reversal of 5636743 is 3476365.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5636743 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

5636743 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5636699 and 5636708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5636747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402618 + ... + 402631.

It is an arithmetic number, because the mean of its divisors is an integer number (1610500).

Almost surely, 2^5636743 is an apocalyptic number.

5636743 is a deficient number, since it is larger than the sum of its proper divisors (805257).

5636743 is an equidigital number, since it uses as much as digits as its factorization.

5636743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805256.

The product of its digits is 45360, while the sum is 34.

The square root of 5636743 is about 2374.1825961792. The cubic root of 5636743 is about 177.9683380119.

The spelling of 5636743 in words is "five million, six hundred thirty-six thousand, seven hundred forty-three".