5639727 has 4 divisors (see below), whose sum is σ = 7519640. Its totient is φ = 3759816.

The previous prime is 5639723. The next prime is 5639729. The reversal of 5639727 is 7279365.

5639727 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5639727 - 2² = 5639723 is a prime.

It is a D-number.

It is a Duffinian number.

5639727 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5639723) 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, 939952 + ... + 939957.

It is an arithmetic number, because the mean of its divisors is an integer number (1879910).

Almost surely, 2^5639727 is an apocalyptic number.

5639727 is a deficient number, since it is larger than the sum of its proper divisors (1879913).

5639727 is a wasteful number, since it uses less digits than its factorization.

5639727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879912.

The product of its digits is 79380, while the sum is 39.

The square root of 5639727 is about 2374.8109398434. The cubic root of 5639727 is about 177.9997369857. Note that the first 3 decimals are identical.

The spelling of 5639727 in words is "five million, six hundred thirty-nine thousand, seven hundred twenty-seven".