47275047 has 6 divisors (see below), whose sum is σ = 68286192. Its totient is φ = 31516692.

The previous prime is 47275027. The next prime is 47275049. The reversal of 47275047 is 74057274.

It is a happy number.

47275047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47275047 - 2⁷ = 47274919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47275049) 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 5 ways as a sum of consecutive naturals, for example, 2626383 + ... + 2626400.

It is an arithmetic number, because the mean of its divisors is an integer number (11381032).

Almost surely, 2^47275047 is an apocalyptic number.

47275047 is a deficient number, since it is larger than the sum of its proper divisors (21011145).

47275047 is a wasteful number, since it uses less digits than its factorization.

47275047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252789 (or 5252786 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 47275047 is about 6875.6852022180. The cubic root of 47275047 is about 361.5852085889.

The spelling of 47275047 in words is "forty-seven million, two hundred seventy-five thousand, forty-seven".