47681224 has 16 divisors (see below), whose sum is σ = 92286720. Its totient is φ = 23071440.

The previous prime is 47681219. The next prime is 47681239. The reversal of 47681224 is 42218674.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 47681224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95884 + ... + 96379.

It is an arithmetic number, because the mean of its divisors is an integer number (5767920).

Almost surely, 2^47681224 is an apocalyptic number.

It is an amenable number.

47681224 is a deficient number, since it is larger than the sum of its proper divisors (44605496).

47681224 is a wasteful number, since it uses less digits than its factorization.

47681224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192300 (or 192296 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 47681224 is about 6905.1592306043. The cubic root of 47681224 is about 362.6178109349.

Adding to 47681224 its reverse (42218674), we get a palindrome (89899898).

The spelling of 47681224 in words is "forty-seven million, six hundred eighty-one thousand, two hundred twenty-four".