64464117 has 16 divisors (see below), whose sum is σ = 87909312. Its totient is φ = 42007680.

The previous prime is 64464109. The next prime is 64464121. The reversal of 64464117 is 71146446.

It is not a de Polignac number, because 64464117 - 2³ = 64464109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64464137) 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 15 ways as a sum of consecutive naturals, for example, 26367 + ... + 28707.

It is an arithmetic number, because the mean of its divisors is an integer number (5494332).

Almost surely, 2^64464117 is an apocalyptic number.

64464117 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

64464117 is a deficient number, since it is larger than the sum of its proper divisors (23445195).

64464117 is a wasteful number, since it uses less digits than its factorization.

64464117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548.

The product of its digits is 16128, while the sum is 33.

The square root of 64464117 is about 8028.9549133122. The cubic root of 64464117 is about 400.9645824985.

The spelling of 64464117 in words is "sixty-four million, four hundred sixty-four thousand, one hundred seventeen".