47004147 has 18 divisors (see below), whose sum is σ = 68695172. Its totient is φ = 30969864.

The previous prime is 47004127. The next prime is 47004161. The reversal of 47004147 is 74140074.

It is not a de Polignac number, because 47004147 - 2¹⁶ = 46938611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47004147.

It is not an unprimeable number, because it can be changed into a prime (47004107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 262504 + ... + 262682.

Almost surely, 2^47004147 is an apocalyptic number.

47004147 is a deficient number, since it is larger than the sum of its proper divisors (21691025).

47004147 is a wasteful number, since it uses less digits than its factorization.

47004147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 47004147 is about 6855.9570447896. The cubic root of 47004147 is about 360.8932217455.

The spelling of 47004147 in words is "forty-seven million, four thousand, one hundred forty-seven".