47461647 has 8 divisors (see below), whose sum is σ = 63506944. Its totient is φ = 31528728.

The previous prime is 47461643. The next prime is 47461649. The reversal of 47461647 is 74616474.

It is a happy number.

47461647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47461647 - 2² = 47461643 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 (47461643) 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 7 ways as a sum of consecutive naturals, for example, 27103 + ... + 28800.

It is an arithmetic number, because the mean of its divisors is an integer number (7938368).

Almost surely, 2^47461647 is an apocalyptic number.

47461647 is a deficient number, since it is larger than the sum of its proper divisors (16045297).

47461647 is a wasteful number, since it uses less digits than its factorization.

47461647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56189.

The product of its digits is 112896, while the sum is 39.

The square root of 47461647 is about 6889.2413951029. The cubic root of 47461647 is about 362.0603233721.

The spelling of 47461647 in words is "forty-seven million, four hundred sixty-one thousand, six hundred forty-seven".