47209452 has 48 divisors (see below), whose sum is σ = 117465600. Its totient is φ = 14713920.

The previous prime is 47209439. The next prime is 47209453. The reversal of 47209452 is 25490274.

It is not an unprimeable number, because it can be changed into a prime (47209453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16702 + ... + 19322.

It is an arithmetic number, because the mean of its divisors is an integer number (2447200).

Almost surely, 2^47209452 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 47209452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58732800).

47209452 is an abundant number, since it is smaller than the sum of its proper divisors (70256148).

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

47209452 is a wasteful number, since it uses less digits than its factorization.

47209452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726 (or 2724 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 47209452 is about 6870.9134763873. The cubic root of 47209452 is about 361.4178957990.

The spelling of 47209452 in words is "forty-seven million, two hundred nine thousand, four hundred fifty-two".