47418912 has 96 divisors (see below), whose sum is σ = 140434560. Its totient is φ = 15563520.

The previous prime is 47418863. The next prime is 47418929. The reversal of 47418912 is 21981474.

47418912 is a `hidden beast` number, since 474 + 189 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 60958 + ... + 61730.

It is an arithmetic number, because the mean of its divisors is an integer number (1462860).

Almost surely, 2^47418912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47418912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70217280).

47418912 is an abundant number, since it is smaller than the sum of its proper divisors (93015648).

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

47418912 is a wasteful number, since it uses less digits than its factorization.

47418912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 849 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 47418912 is about 6886.1391214526. The cubic root of 47418912 is about 361.9516230134.

The spelling of 47418912 in words is "forty-seven million, four hundred eighteen thousand, nine hundred twelve".