47169252 has 54 divisors (see below), whose sum is σ = 129127362. Its totient is φ = 14511744.

The previous prime is 47169223. The next prime is 47169253. The reversal of 47169252 is 25296174.

It can be written as a sum of positive squares in 3 ways, for example, as 5875776 + 41293476 = 2424^2 + 6426^2 .

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

It is not an unprimeable number, because it can be changed into a prime (47169253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2208 + ... + 9960.

Almost surely, 2^47169252 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 47169252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64563681).

47169252 is an abundant number, since it is smaller than the sum of its proper divisors (81958110).

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

47169252 is a wasteful number, since it uses less digits than its factorization.

47169252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7789 (or 7771 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 47169252 is about 6867.9874781482. The cubic root of 47169252 is about 361.3152812823.

The spelling of 47169252 in words is "forty-seven million, one hundred sixty-nine thousand, two hundred fifty-two".