47681227 has 4 divisors (see below), whose sum is σ = 52015896. Its totient is φ = 43346560.

The previous prime is 47681219. The next prime is 47681239. The reversal of 47681227 is 72218674.

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

It is a cyclic number.

It is not a de Polignac number, because 47681227 - 2³ = 47681219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47681327) 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, 2167318 + ... + 2167339.

It is an arithmetic number, because the mean of its divisors is an integer number (13003974).

Almost surely, 2^47681227 is an apocalyptic number.

47681227 is a deficient number, since it is larger than the sum of its proper divisors (4334669).

47681227 is a wasteful number, since it uses less digits than its factorization.

47681227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334668.

The product of its digits is 37632, while the sum is 37.

The square root of 47681227 is about 6905.1594478332. The cubic root of 47681227 is about 362.6178185400.

It can be divided in two parts, 4768 and 1227, that added together give a palindrome (5995).

The spelling of 47681227 in words is "forty-seven million, six hundred eighty-one thousand, two hundred twenty-seven".