47118812 has 24 divisors (see below), whose sum is σ = 92664096. Its totient is φ = 20801088.

The previous prime is 47118767. The next prime is 47118829. The reversal of 47118812 is 21881174.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18503 + ... + 20894.

It is an arithmetic number, because the mean of its divisors is an integer number (3861004).

Almost surely, 2^47118812 is an apocalyptic number.

It is an amenable number.

47118812 is a deficient number, since it is larger than the sum of its proper divisors (45545284).

47118812 is a wasteful number, since it uses less digits than its factorization.

47118812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39437 (or 39435 counting only the distinct ones).

The product of its digits is 3584, while the sum is 32.

The square root of 47118812 is about 6864.3143867396. The cubic root of 47118812 is about 361.1864456388.

Adding to 47118812 its reverse (21881174), we get a palindrome (68999986).

The spelling of 47118812 in words is "forty-seven million, one hundred eighteen thousand, eight hundred twelve".