47044720 has 60 divisors (see below), whose sum is σ = 111883464. Its totient is φ = 18395520.

The previous prime is 47044717. The next prime is 47044721. The reversal of 47044720 is 2744074.

47044720 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 not an unprimeable number, because it can be changed into a prime (47044721) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 359055 + ... + 359185.

Almost surely, 2^47044720 is an apocalyptic number.

47044720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47044720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55941732).

47044720 is an abundant number, since it is smaller than the sum of its proper divisors (64838744).

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

47044720 is a wasteful number, since it uses less digits than its factorization.

47044720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 47044720 is about 6858.9153661494. The cubic root of 47044720 is about 360.9970303851.

Adding to 47044720 its reverse (2744074), we get a palindrome (49788794).

The spelling of 47044720 in words is "forty-seven million, forty-four thousand, seven hundred twenty".