47005047 has 12 divisors (see below), whose sum is σ = 68056560. Its totient is φ = 31262688.

The previous prime is 47005039. The next prime is 47005081. The reversal of 47005047 is 74050074.

It is not a de Polignac number, because 47005047 - 2³ = 47005039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47005047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47005037) 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 11 ways as a sum of consecutive naturals, for example, 1998 + ... + 9899.

It is an arithmetic number, because the mean of its divisors is an integer number (5671380).

Almost surely, 2^47005047 is an apocalyptic number.

47005047 is a deficient number, since it is larger than the sum of its proper divisors (21051513).

47005047 is a wasteful number, since it uses less digits than its factorization.

47005047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12342 (or 12339 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 47005047 is about 6856.0226808260. The cubic root of 47005047 is about 360.8955251013.

The spelling of 47005047 in words is "forty-seven million, five thousand, forty-seven".