64417005 has 16 divisors (see below), whose sum is σ = 114519360. Its totient is φ = 34355664.

The previous prime is 64416959. The next prime is 64417007. The reversal of 64417005 is 50071446.

64417005 is a `hidden beast` number, since 644 + 17 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 64417005 - 2⁸ = 64416749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 64417005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64417007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238447 + ... + 238716.

It is an arithmetic number, because the mean of its divisors is an integer number (7157460).

Almost surely, 2^64417005 is an apocalyptic number.

It is an amenable number.

64417005 is a deficient number, since it is larger than the sum of its proper divisors (50102355).

64417005 is a wasteful number, since it uses less digits than its factorization.

64417005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477177 (or 477171 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 64417005 is about 8026.0204958622. The cubic root of 64417005 is about 400.8668803556.

The spelling of 64417005 in words is "sixty-four million, four hundred seventeen thousand, five".