47412816 has 40 divisors (see below), whose sum is σ = 133619424. Its totient is φ = 14367360.

The previous prime is 47412797. The next prime is 47412817. The reversal of 47412816 is 61821474.

47412816 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 (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47412817) 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, 44371 + ... + 45426.

Almost surely, 2^47412816 is an apocalyptic number.

It is an amenable number.

47412816 is an abundant number, since it is smaller than the sum of its proper divisors (86206608).

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

47412816 is a wasteful number, since it uses less digits than its factorization.

47412816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89819 (or 89813 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 47412816 is about 6885.6964789337. The cubic root of 47412816 is about 361.9361119613.

It can be divided in two parts, 4741 and 2816, that added together give a palindrome (7557).

The spelling of 47412816 in words is "forty-seven million, four hundred twelve thousand, eight hundred sixteen".