47404047 has 12 divisors (see below), whose sum is σ = 63878600. Its totient is φ = 31269600.

The previous prime is 47404013. The next prime is 47404087. The reversal of 47404047 is 74040474.

47404047 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 47404047 - 2¹⁴ = 47387663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47404087) 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 11 ways as a sum of consecutive naturals, for example, 29829 + ... + 31377.

Almost surely, 2^47404047 is an apocalyptic number.

47404047 is a deficient number, since it is larger than the sum of its proper divisors (16474553).

47404047 is a wasteful number, since it uses less digits than its factorization.

47404047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 47404047 is about 6885.0596947303. The cubic root of 47404047 is about 361.9137972250.

The spelling of 47404047 in words is "forty-seven million, four hundred four thousand, forty-seven".