47839072 has 48 divisors (see below), whose sum is σ = 97623792. Its totient is φ = 23063040.

The previous prime is 47839069. The next prime is 47839079. The reversal of 47839072 is 27093874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47839079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113422 + ... + 113842.

It is an arithmetic number, because the mean of its divisors is an integer number (2033829).

Almost surely, 2^47839072 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 47839072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48811896).

47839072 is an abundant number, since it is smaller than the sum of its proper divisors (49784720).

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

47839072 is a wasteful number, since it uses less digits than its factorization.

47839072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 47839072 is about 6916.5795014588. The cubic root of 47839072 is about 363.0175171850.

The spelling of 47839072 in words is "forty-seven million, eight hundred thirty-nine thousand, seventy-two".