47643336 has 192 divisors, whose sum is σ = 153619200. Its totient is φ = 13592448.

The previous prime is 47643331. The next prime is 47643403. The reversal of 47643336 is 63334674.

47643336 is a `hidden beast` number, since 4 + 7 + 643 + 3 + 3 + 6 = 666.

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

Its product of digits (108864) is a multiple of the sum of its prime divisors (84).

It is a self number, because there is not a number n which added to its sum of digits gives 47643336.

It is not an unprimeable number, because it can be changed into a prime (47643331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1013665 + ... + 1013711.

It is an arithmetic number, because the mean of its divisors is an integer number (800100).

Almost surely, 2^47643336 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 47643336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76809600).

47643336 is an abundant number, since it is smaller than the sum of its proper divisors (105975864).

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

47643336 is a wasteful number, since it uses less digits than its factorization.

47643336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 84 counting only the distinct ones).

The product of its digits is 108864, while the sum is 36.

The square root of 47643336 is about 6902.4152294686. The cubic root of 47643336 is about 362.5217388469.

It can be divided in two parts, 4764 and 3336, that added together give a square (8100 = 90²).

The spelling of 47643336 in words is "forty-seven million, six hundred forty-three thousand, three hundred thirty-six".