47040865 has 16 divisors (see below), whose sum is σ = 62006400. Its totient is φ = 34100352.

The previous prime is 47040863. The next prime is 47040869. The reversal of 47040865 is 56804074.

47040865 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 47040865 - 2¹ = 47040863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47040865.

It is not an unprimeable number, because it can be changed into a prime (47040863) 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 15 ways as a sum of consecutive naturals, for example, 8580 + ... + 12949.

It is an arithmetic number, because the mean of its divisors is an integer number (3875400).

Almost surely, 2^47040865 is an apocalyptic number.

It is an amenable number.

47040865 is a deficient number, since it is larger than the sum of its proper divisors (14965535).

47040865 is a wasteful number, since it uses less digits than its factorization.

47040865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21576.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 47040865 is about 6858.6343392836. The cubic root of 47040865 is about 360.9871696854.

The spelling of 47040865 in words is "forty-seven million, forty thousand, eight hundred sixty-five".