47505873 has 4 divisors (see below), whose sum is σ = 63341168. Its totient is φ = 31670580.

The previous prime is 47505869. The next prime is 47505883. The reversal of 47505873 is 37850574.

47505873 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47505873 - 2² = 47505869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47505863) 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, 7917643 + ... + 7917648.

It is an arithmetic number, because the mean of its divisors is an integer number (15835292).

Almost surely, 2^47505873 is an apocalyptic number.

It is an amenable number.

47505873 is a deficient number, since it is larger than the sum of its proper divisors (15835295).

47505873 is a wasteful number, since it uses less digits than its factorization.

47505873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15835294.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 47505873 is about 6892.4504350775. The cubic root of 47505873 is about 362.1727475422.

The spelling of 47505873 in words is "forty-seven million, five hundred five thousand, eight hundred seventy-three".