47518212 has 48 divisors (see below), whose sum is σ = 130148480. Its totient is φ = 13208832.

The previous prime is 47518201. The next prime is 47518217. The reversal of 47518212 is 21281574.

It is a self number, because there is not a number n which added to its sum of digits gives 47518212.

It is not an unprimeable number, because it can be changed into a prime (47518217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4537 + ... + 10752.

Almost surely, 2^47518212 is an apocalyptic number.

47518212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47518212 is an abundant number, since it is smaller than the sum of its proper divisors (82630268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47518212 is a wasteful number, since it uses less digits than its factorization.

47518212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15340 (or 15338 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 47518212 is about 6893.3454867720. The cubic root of 47518212 is about 362.2041012984.

Adding to 47518212 its reverse (21281574), we get a palindrome (68799786).

The spelling of 47518212 in words is "forty-seven million, five hundred eighteen thousand, two hundred twelve".