47807424 has 168 divisors, whose sum is σ = 159763968. Its totient is φ = 13386240.

The previous prime is 47807423. The next prime is 47807437. The reversal of 47807424 is 42470874.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47807423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286189 + ... + 286355.

It is an arithmetic number, because the mean of its divisors is an integer number (950976).

Almost surely, 2^47807424 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 47807424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79881984).

47807424 is an abundant number, since it is smaller than the sum of its proper divisors (111956544).

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

47807424 is a wasteful number, since it uses less digits than its factorization.

47807424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 47807424 is about 6914.2912868927. The cubic root of 47807424 is about 362.9374479563.

The spelling of 47807424 in words is "forty-seven million, eight hundred seven thousand, four hundred twenty-four".