5721727 has 6 divisors (see below), whose sum is σ = 6289304. Its totient is φ = 5201460.

The previous prime is 5721719. The next prime is 5721743. The reversal of 5721727 is 7271275.

5721727 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5721727 - 2³ = 5721719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721757) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23523 + ... + 23764.

Almost surely, 2^5721727 is an apocalyptic number.

5721727 is a deficient number, since it is larger than the sum of its proper divisors (567577).

5721727 is a wasteful number, since it uses less digits than its factorization.

5721727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47309 (or 47298 counting only the distinct ones).

The product of its digits is 6860, while the sum is 31.

The square root of 5721727 is about 2392.0131688601. The cubic root of 5721727 is about 178.8582775930.

The spelling of 5721727 in words is "five million, seven hundred twenty-one thousand, seven hundred twenty-seven".