47649812 has 24 divisors (see below), whose sum is σ = 95579904. Its totient is φ = 20361312.

The previous prime is 47649803. The next prime is 47649841. The reversal of 47649812 is 21894674.

It is a self number, because there is not a number n which added to its sum of digits gives 47649812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7958 + ... + 12594.

It is an arithmetic number, because the mean of its divisors is an integer number (3982496).

Almost surely, 2^47649812 is an apocalyptic number.

It is an amenable number.

47649812 is an abundant number, since it is smaller than the sum of its proper divisors (47930092).

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

47649812 is a wasteful number, since it uses less digits than its factorization.

47649812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015 (or 5013 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 47649812 is about 6902.8843246863. The cubic root of 47649812 is about 362.5381635603.

The spelling of 47649812 in words is "forty-seven million, six hundred forty-nine thousand, eight hundred twelve".