47742224 has 20 divisors (see below), whose sum is σ = 94470144. Its totient is φ = 23362848.

The previous prime is 47742209. The next prime is 47742259. The reversal of 47742224 is 42224774.

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, 30992 + ... + 32495.

Almost surely, 2^47742224 is an apocalyptic number.

It is an amenable number.

47742224 is a deficient number, since it is larger than the sum of its proper divisors (46727920).

47742224 is a wasteful number, since it uses less digits than its factorization.

47742224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63542 (or 63536 counting only the distinct ones).

The product of its digits is 25088, while the sum is 32.

The square root of 47742224 is about 6909.5748060210. The cubic root of 47742224 is about 362.7723809349.

Adding to 47742224 its reverse (42224774), we get a palindrome (89966998).

The spelling of 47742224 in words is "forty-seven million, seven hundred forty-two thousand, two hundred twenty-four".