47919912 has 32 divisors (see below), whose sum is σ = 120009600. Its totient is φ = 15945344.

The previous prime is 47919871. The next prime is 47919917. The reversal of 47919912 is 21991974.

47919912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47919917) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 15868 + ... + 18644.

It is an arithmetic number, because the mean of its divisors is an integer number (3750300).

Almost surely, 2^47919912 is an apocalyptic number.

It is an amenable number.

47919912 is an abundant number, since it is smaller than the sum of its proper divisors (72089688).

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

47919912 is a wasteful number, since it uses less digits than its factorization.

47919912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505 (or 3501 counting only the distinct ones).

The product of its digits is 40824, while the sum is 42.

The square root of 47919912 is about 6922.4209637958. The cubic root of 47919912 is about 363.2218816667.

The spelling of 47919912 in words is "forty-seven million, nine hundred nineteen thousand, nine hundred twelve".