47216312 has 64 divisors (see below), whose sum is σ = 105084000. Its totient is φ = 19607040.

The previous prime is 47216303. The next prime is 47216339. The reversal of 47216312 is 21361274.

47216312 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 (26).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 170318 + ... + 170594.

Almost surely, 2^47216312 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 47216312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52542000).

47216312 is an abundant number, since it is smaller than the sum of its proper divisors (57867688).

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

47216312 is a wasteful number, since it uses less digits than its factorization.

47216312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 452 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 47216312 is about 6871.4126640743. The cubic root of 47216312 is about 361.4354008153.

Adding to 47216312 its reverse (21361274), we get a palindrome (68577586).

The spelling of 47216312 in words is "forty-seven million, two hundred sixteen thousand, three hundred twelve".