47144173 has 4 divisors (see below), whose sum is σ = 47158848. Its totient is φ = 47129500.

The previous prime is 47144171. The next prime is 47144177. The reversal of 47144173 is 37144174.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47144173 - 2¹ = 47144171 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 (47144171) 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 3 ways as a sum of consecutive naturals, for example, 211 + ... + 9712.

It is an arithmetic number, because the mean of its divisors is an integer number (11789712).

Almost surely, 2^47144173 is an apocalyptic number.

It is an amenable number.

47144173 is a deficient number, since it is larger than the sum of its proper divisors (14675).

47144173 is an equidigital number, since it uses as much as digits as its factorization.

47144173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674.

The product of its digits is 9408, while the sum is 31.

The square root of 47144173 is about 6866.1614458153. The cubic root of 47144173 is about 361.2512350943.

Subtracting from 47144173 its reverse (37144174), we obtain a palindrome (9999999).

It can be divided in two parts, 471 and 44173, that added together give a palindrome (44644).

The spelling of 47144173 in words is "forty-seven million, one hundred forty-four thousand, one hundred seventy-three".