47508740 has 96 divisors (see below), whose sum is σ = 112358400. Its totient is φ = 16796160.

The previous prime is 47508733. The next prime is 47508743. The reversal of 47508740 is 4780574.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 47508740.

It is not an unprimeable number, because it can be changed into a prime (47508743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435806 + ... + 435914.

It is an arithmetic number, because the mean of its divisors is an integer number (1170400).

Almost surely, 2^47508740 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 47508740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56179200).

47508740 is an abundant number, since it is smaller than the sum of its proper divisors (64849660).

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

47508740 is a wasteful number, since it uses less digits than its factorization.

47508740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 47508740 is about 6892.6584131233. The cubic root of 47508740 is about 362.1800331563.

The spelling of 47508740 in words is "forty-seven million, five hundred eight thousand, seven hundred forty".