47043612 has 96 divisors (see below), whose sum is σ = 152087040. Its totient is φ = 12216960.

The previous prime is 47043571. The next prime is 47043617. The reversal of 47043612 is 21634074.

47043612 is a `hidden beast` number, since 4 + 7 + 0 + 43 + 612 = 666.

47043612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47043617) 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 31 ways as a sum of consecutive naturals, for example, 5488 + ... + 11144.

It is an arithmetic number, because the mean of its divisors is an integer number (1584240).

Almost surely, 2^47043612 is an apocalyptic number.

47043612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47043612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76043520).

47043612 is an abundant number, since it is smaller than the sum of its proper divisors (105043428).

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

47043612 is a wasteful number, since it uses less digits than its factorization.

47043612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688 (or 5680 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 47043612 is about 6858.8345948856. The cubic root of 47043612 is about 360.9941962885.

Adding to 47043612 its reverse (21634074), we get a palindrome (68677686).

The spelling of 47043612 in words is "forty-seven million, forty-three thousand, six hundred twelve".