5636749 has 8 divisors (see below), whose sum is σ = 5962880. Its totient is φ = 5313600.

The previous prime is 5636747. The next prime is 5636773. The reversal of 5636749 is 9476365.

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 5636749 - 2¹ = 5636747 is a prime.

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

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 3964 + ... + 5194.

It is an arithmetic number, because the mean of its divisors is an integer number (745360).

Almost surely, 2^5636749 is an apocalyptic number.

It is an amenable number.

5636749 is a deficient number, since it is larger than the sum of its proper divisors (326131).

5636749 is a wasteful number, since it uses less digits than its factorization.

5636749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491.

The product of its digits is 136080, while the sum is 40.

The square root of 5636749 is about 2374.1838597716. The cubic root of 5636749 is about 177.9684011577.

The spelling of 5636749 in words is "five million, six hundred thirty-six thousand, seven hundred forty-nine".