47881841 has 4 divisors (see below), whose sum is σ = 54722112. Its totient is φ = 41041572.

The previous prime is 47881831. The next prime is 47881849. The reversal of 47881841 is 14818874.

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 47881841 - 2²² = 43687537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47881849) 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, 3420125 + ... + 3420138.

It is an arithmetic number, because the mean of its divisors is an integer number (13680528).

Almost surely, 2^47881841 is an apocalyptic number.

It is an amenable number.

47881841 is a deficient number, since it is larger than the sum of its proper divisors (6840271).

47881841 is an equidigital number, since it uses as much as digits as its factorization.

47881841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6840270.

The product of its digits is 57344, while the sum is 41.

The square root of 47881841 is about 6919.6705846449. The cubic root of 47881841 is about 363.1256663820.

The spelling of 47881841 in words is "forty-seven million, eight hundred eighty-one thousand, eight hundred forty-one".