5731981727 has 8 divisors (see below), whose sum is σ = 5823189792. Its totient is φ = 5641064800.

The previous prime is 5731981711. The next prime is 5731981733. The reversal of 5731981727 is 7271891375.

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 5731981727 - 2⁴ = 5731981711 is a prime.

It is a super-2 number, since 2×5731981727² = 65711229037323805058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731987727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32924 + ... + 112017.

It is an arithmetic number, because the mean of its divisors is an integer number (727898724).

Almost surely, 2^5731981727 is an apocalyptic number.

5731981727 is a deficient number, since it is larger than the sum of its proper divisors (91208065).

5731981727 is a wasteful number, since it uses less digits than its factorization.

5731981727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145569.

The product of its digits is 740880, while the sum is 50.

The square root of 5731981727 is about 75709.8522452659. The cubic root of 5731981727 is about 1789.6506633905.

The spelling of 5731981727 in words is "five billion, seven hundred thirty-one million, nine hundred eighty-one thousand, seven hundred twenty-seven".