64475005 has 16 divisors (see below), whose sum is σ = 88876800. Its totient is φ = 43984512.

The previous prime is 64474997. The next prime is 64475039. The reversal of 64475005 is 50057446.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 64475005 - 2³ = 64474997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2337 + ... + 11593.

It is an arithmetic number, because the mean of its divisors is an integer number (5554800).

Almost surely, 2^64475005 is an apocalyptic number.

It is an amenable number.

64475005 is a deficient number, since it is larger than the sum of its proper divisors (24401795).

64475005 is a wasteful number, since it uses less digits than its factorization.

64475005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 64475005 is about 8029.6329305890. The cubic root of 64475005 is about 400.9871555557.

The spelling of 64475005 in words is "sixty-four million, four hundred seventy-five thousand, five".