47218465 has 16 divisors (see below), whose sum is σ = 64897920. Its totient is φ = 32307840.

The previous prime is 47218463. The next prime is 47218489. The reversal of 47218465 is 56481274.

47218465 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 47218465 - 2¹ = 47218463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47218463) 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, 18730 + ... + 21100.

It is an arithmetic number, because the mean of its divisors is an integer number (4056120).

Almost surely, 2^47218465 is an apocalyptic number.

It is an amenable number.

47218465 is a deficient number, since it is larger than the sum of its proper divisors (17679455).

47218465 is a wasteful number, since it uses less digits than its factorization.

47218465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952.

The product of its digits is 53760, while the sum is 37.

The square root of 47218465 is about 6871.5693258527. The cubic root of 47218465 is about 361.4408943870.

The spelling of 47218465 in words is "forty-seven million, two hundred eighteen thousand, four hundred sixty-five".