64348617 has 4 divisors (see below), whose sum is σ = 85798160. Its totient is φ = 42899076.

The previous prime is 64348601. The next prime is 64348631. The reversal of 64348617 is 71684346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 64348617 - 2⁴ = 64348601 is a prime.

It is a super-3 number, since 3×64348617³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64348637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10724767 + ... + 10724772.

It is an arithmetic number, because the mean of its divisors is an integer number (21449540).

Almost surely, 2^64348617 is an apocalyptic number.

It is an amenable number.

64348617 is a deficient number, since it is larger than the sum of its proper divisors (21449543).

64348617 is a wasteful number, since it uses less digits than its factorization.

64348617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21449542.

The product of its digits is 96768, while the sum is 39.

The square root of 64348617 is about 8021.7589716969. The cubic root of 64348617 is about 400.7249706667.

It can be divided in two parts, 6434 and 8617, that added together give a palindrome (15051).

The spelling of 64348617 in words is "sixty-four million, three hundred forty-eight thousand, six hundred seventeen".