64217463 has 8 divisors (see below), whose sum is σ = 87445248. Its totient is φ = 41900664.

The previous prime is 64217453. The next prime is 64217471. The reversal of 64217463 is 36471246.

It is a happy number.

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

It is not a de Polignac number, because 64217463 - 2⁹ = 64216951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64217453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227581 + ... + 227862.

It is an arithmetic number, because the mean of its divisors is an integer number (10930656).

Almost surely, 2^64217463 is an apocalyptic number.

64217463 is a deficient number, since it is larger than the sum of its proper divisors (23227785).

64217463 is a wasteful number, since it uses less digits than its factorization.

64217463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455493.

The product of its digits is 24192, while the sum is 33.

The square root of 64217463 is about 8013.5799116250. The cubic root of 64217463 is about 400.4525357521.

The spelling of 64217463 in words is "sixty-four million, two hundred seventeen thousand, four hundred sixty-three".