47749932 has 96 divisors (see below), whose sum is σ = 132249600. Its totient is φ = 14864256.

The previous prime is 47749883. The next prime is 47749963. The reversal of 47749932 is 23994774.

47749932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 116544 + ... + 116952.

It is an arithmetic number, because the mean of its divisors is an integer number (1377600).

Almost surely, 2^47749932 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 47749932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66124800).

47749932 is an abundant number, since it is smaller than the sum of its proper divisors (84499668).

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

47749932 is a wasteful number, since it uses less digits than its factorization.

47749932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 484 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 47749932 is about 6910.1325602336. The cubic root of 47749932 is about 362.7919031300.

It can be divided in two parts, 4774 and 9932, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 47749932 in words is "forty-seven million, seven hundred forty-nine thousand, nine hundred thirty-two".