47644332 has 36 divisors (see below), whose sum is σ = 115160136. Its totient is φ = 15330560.

The previous prime is 47644327. The next prime is 47644351. The reversal of 47644332 is 23344674.

It is a junction number, because it is equal to n+sod(n) for n = 47644293 and 47644302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7732 + ... + 12452.

Almost surely, 2^47644332 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 47644332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57580068).

47644332 is an abundant number, since it is smaller than the sum of its proper divisors (67515804).

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

47644332 is a wasteful number, since it uses less digits than its factorization.

With its successor (47644333) it forms an eRAP, since the sums of their prime factors are consecutive (4786 and 4787).

47644332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786 (or 4755 counting only the distinct ones).

The product of its digits is 48384, while the sum is 33.

The square root of 47644332 is about 6902.4873777501. The cubic root of 47644332 is about 362.5242650424.

The spelling of 47644332 in words is "forty-seven million, six hundred forty-four thousand, three hundred thirty-two".