5727881 has 4 divisors (see below), whose sum is σ = 5734932. Its totient is φ = 5720832.

The previous prime is 5727829. The next prime is 5727889. The reversal of 5727881 is 1887275.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1488400 + 4239481 = 1220^2 + 2059^2 .

It is a cyclic number.

It is not a de Polignac number, because 5727881 - 2¹⁰ = 5726857 is a prime.

It is a super-2 number, since 2×5727881² = 65617241500322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5727889) 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, 2120 + ... + 3993.

It is an arithmetic number, because the mean of its divisors is an integer number (1433733).

Almost surely, 2^5727881 is an apocalyptic number.

It is an amenable number.

5727881 is a deficient number, since it is larger than the sum of its proper divisors (7051).

5727881 is an equidigital number, since it uses as much as digits as its factorization.

5727881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050.

The product of its digits is 31360, while the sum is 38.

The square root of 5727881 is about 2393.2991873144. The cubic root of 5727881 is about 178.9223782546.

Subtracting from 5727881 its reverse (1887275), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 5727881 in words is "five million, seven hundred twenty-seven thousand, eight hundred eighty-one".