64476417 has 16 divisors (see below), whose sum is σ = 86910912. Its totient is φ = 42516480.

The previous prime is 64476409. The next prime is 64476457. The reversal of 64476417 is 71467446.

It is a happy number.

It is not a de Polignac number, because 64476417 - 2³ = 64476409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64476457) 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, 185638 + ... + 185984.

It is an arithmetic number, because the mean of its divisors is an integer number (5431932).

Almost surely, 2^64476417 is an apocalyptic number.

It is an amenable number.

64476417 is a deficient number, since it is larger than the sum of its proper divisors (22434495).

64476417 is a wasteful number, since it uses less digits than its factorization.

64476417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its digits is 112896, while the sum is 39.

The square root of 64476417 is about 8029.7208544258. The cubic root of 64476417 is about 400.9900827351.

The spelling of 64476417 in words is "sixty-four million, four hundred seventy-six thousand, four hundred seventeen".