47465647 has 4 divisors (see below), whose sum is σ = 47499640. Its totient is φ = 47431656.

The previous prime is 47465641. The next prime is 47465651. The reversal of 47465647 is 74656474.

47465647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74656474 = 2 ⋅37328237.

It is a cyclic number.

It is not a de Polignac number, because 47465647 - 2¹¹ = 47463599 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 (47465641) 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 3 ways as a sum of consecutive naturals, for example, 14808 + ... + 17725.

It is an arithmetic number, because the mean of its divisors is an integer number (11874910).

Almost surely, 2^47465647 is an apocalyptic number.

47465647 is a deficient number, since it is larger than the sum of its proper divisors (33993).

47465647 is a wasteful number, since it uses less digits than its factorization.

47465647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33992.

The product of its digits is 564480, while the sum is 43.

The square root of 47465647 is about 6889.5316967120. The cubic root of 47465647 is about 362.0704943958.

The spelling of 47465647 in words is "forty-seven million, four hundred sixty-five thousand, six hundred forty-seven".