47605865 has 16 divisors (see below), whose sum is σ = 62126352. Its totient is φ = 34873344.

The previous prime is 47605843. The next prime is 47605871. The reversal of 47605865 is 56850674.

47605865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 5822569 + 41783296 = 2413^2 + 6464^2 .

It is a cyclic number.

It is not a de Polignac number, because 47605865 - 2¹² = 47601769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4424 + ... + 10713.

It is an arithmetic number, because the mean of its divisors is an integer number (3882897).

Almost surely, 2^47605865 is an apocalyptic number.

It is an amenable number.

47605865 is a deficient number, since it is larger than the sum of its proper divisors (14520487).

47605865 is a wasteful number, since it uses less digits than its factorization.

47605865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15196.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 47605865 is about 6899.7003558126. The cubic root of 47605865 is about 362.4266740312.

The spelling of 47605865 in words is "forty-seven million, six hundred five thousand, eight hundred sixty-five".