47727841 has 4 divisors (see below), whose sum is σ = 54546112. Its totient is φ = 40909572.

The previous prime is 47727839. The next prime is 47727847. The reversal of 47727841 is 14872774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47727841 - 2¹ = 47727839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47727794 and 47727803.

It is not an unprimeable number, because it can be changed into a prime (47727847) 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 3 ways as a sum of consecutive naturals, for example, 3409125 + ... + 3409138.

It is an arithmetic number, because the mean of its divisors is an integer number (13636528).

Almost surely, 2^47727841 is an apocalyptic number.

It is an amenable number.

47727841 is a deficient number, since it is larger than the sum of its proper divisors (6818271).

47727841 is an equidigital number, since it uses as much as digits as its factorization.

47727841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6818270.

The product of its digits is 87808, while the sum is 40.

The square root of 47727841 is about 6908.5339255156. The cubic root of 47727841 is about 362.7359472236.

The spelling of 47727841 in words is "forty-seven million, seven hundred twenty-seven thousand, eight hundred forty-one".