47419447 has 4 divisors (see below), whose sum is σ = 47498176. Its totient is φ = 47340720.

The previous prime is 47419439. The next prime is 47419457. The reversal of 47419447 is 74491474.

47419447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47419447 - 2³ = 47419439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47419457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38454 + ... + 39667.

It is an arithmetic number, because the mean of its divisors is an integer number (11874544).

Almost surely, 2^47419447 is an apocalyptic number.

47419447 is a deficient number, since it is larger than the sum of its proper divisors (78729).

47419447 is an equidigital number, since it uses as much as digits as its factorization.

47419447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78728.

The product of its digits is 112896, while the sum is 40.

The square root of 47419447 is about 6886.1779674940. The cubic root of 47419447 is about 361.9529842382.

The spelling of 47419447 in words is "forty-seven million, four hundred nineteen thousand, four hundred forty-seven".