47727 has 6 divisors (see below), whose sum is σ = 68952. Its totient is φ = 31812.

The previous prime is 47717. The next prime is 47737. The reversal of 47727 is 72774.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47717) and next prime (47737).

It is not a de Polignac number, because 47727 - 2⁴ = 47711 is a prime.

47727 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 47727.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47727.

It is not an unprimeable number, because it can be changed into a prime (47717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2643 + ... + 2660.

It is an arithmetic number, because the mean of its divisors is an integer number (11492).

2⁴⁷⁷²⁷ is an apocalyptic number.

47727 is a deficient number, since it is larger than the sum of its proper divisors (21225).

47727 is a wasteful number, since it uses less digits than its factorization.

47727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309 (or 5306 counting only the distinct ones).

The product of its digits is 2744, while the sum is 27.

The square root of 47727 is about 218.4651001877. The cubic root of 47727 is about 36.2733816652.

The spelling of 47727 in words is "forty-seven thousand, seven hundred twenty-seven", and thus it is an iban number.