5644787 has 4 divisors (see below), whose sum is σ = 5716320. Its totient is φ = 5573256.

The previous prime is 5644781. The next prime is 5644801. The reversal of 5644787 is 7874465.

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

It is a cyclic number.

It is not a de Polignac number, because 5644787 - 2²⁰ = 4596211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5644781) 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, 35648 + ... + 35805.

It is an arithmetic number, because the mean of its divisors is an integer number (1429080).

Almost surely, 2^5644787 is an apocalyptic number.

5644787 is a deficient number, since it is larger than the sum of its proper divisors (71533).

5644787 is an equidigital number, since it uses as much as digits as its factorization.

5644787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71532.

The product of its digits is 188160, while the sum is 41.

The square root of 5644787 is about 2375.8760489554. The cubic root of 5644787 is about 178.0529552495.

The spelling of 5644787 in words is "five million, six hundred forty-four thousand, seven hundred eighty-seven".