47217112 has 8 divisors (see below), whose sum is σ = 88532100. Its totient is φ = 23608552.

The previous prime is 47217103. The next prime is 47217151. The reversal of 47217112 is 21171274.

47217112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2951062 + ... + 2951077.

Almost surely, 2^47217112 is an apocalyptic number.

It is an amenable number.

47217112 is a deficient number, since it is larger than the sum of its proper divisors (41314988).

47217112 is a wasteful number, since it uses less digits than its factorization.

47217112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5902145 (or 5902141 counting only the distinct ones).

The product of its digits is 784, while the sum is 25.

The square root of 47217112 is about 6871.4708760207. The cubic root of 47217112 is about 361.4374421062.

Adding to 47217112 its reverse (21171274), we get a palindrome (68388386).

The spelling of 47217112 in words is "forty-seven million, two hundred seventeen thousand, one hundred twelve".