47782242 has 24 divisors (see below), whose sum is σ = 103981644. Its totient is φ = 15857664.

The previous prime is 47782213. The next prime is 47782277. The reversal of 47782242 is 24228774.

It can be written as a sum of positive squares in 2 ways, for example, as 47734281 + 47961 = 6909^2 + 219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47782197 and 47782206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1503 + ... + 9890.

Almost surely, 2^47782242 is an apocalyptic number.

47782242 is an abundant number, since it is smaller than the sum of its proper divisors (56199402).

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

47782242 is a wasteful number, since it uses less digits than its factorization.

47782242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11634 (or 11631 counting only the distinct ones).

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

The square root of 47782242 is about 6912.4700361014. The cubic root of 47782242 is about 362.8737124160.

The spelling of 47782242 in words is "forty-seven million, seven hundred eighty-two thousand, two hundred forty-two".