47375891 has 4 divisors (see below), whose sum is σ = 47694000. Its totient is φ = 47057784.

The previous prime is 47375807. The next prime is 47375893. The reversal of 47375891 is 19857374.

47375891 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 47375891 - 2¹⁰ = 47374867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47375893) 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, 158831 + ... + 159128.

It is an arithmetic number, because the mean of its divisors is an integer number (11923500).

Almost surely, 2^47375891 is an apocalyptic number.

47375891 is a deficient number, since it is larger than the sum of its proper divisors (318109).

47375891 is a wasteful number, since it uses less digits than its factorization.

47375891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318108.

The product of its digits is 211680, while the sum is 44.

The square root of 47375891 is about 6883.0146738184. The cubic root of 47375891 is about 361.8421292018.

The spelling of 47375891 in words is "forty-seven million, three hundred seventy-five thousand, eight hundred ninety-one".