47442873 has 4 divisors (see below), whose sum is σ = 63257168. Its totient is φ = 31628580.

The previous prime is 47442851. The next prime is 47442887. The reversal of 47442873 is 37824474.

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.

It is not a de Polignac number, because 47442873 - 2⁹ = 47442361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47442823) 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, 7907143 + ... + 7907148.

It is an arithmetic number, because the mean of its divisors is an integer number (15814292).

Almost surely, 2^47442873 is an apocalyptic number.

It is an amenable number.

47442873 is a deficient number, since it is larger than the sum of its proper divisors (15814295).

47442873 is a wasteful number, since it uses less digits than its factorization.

47442873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15814294.

The product of its digits is 150528, while the sum is 39.

The square root of 47442873 is about 6887.8787010225. The cubic root of 47442873 is about 362.0125780353.

The spelling of 47442873 in words is "forty-seven million, four hundred forty-two thousand, eight hundred seventy-three".