64834217 has 8 divisors (see below), whose sum is σ = 77318016. Its totient is φ = 53155872.

The previous prime is 64834207. The next prime is 64834219. The reversal of 64834217 is 71243846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64834217 - 2¹⁰ = 64833193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64834219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201188 + ... + 201509.

It is an arithmetic number, because the mean of its divisors is an integer number (9664752).

Almost surely, 2^64834217 is an apocalyptic number.

It is an amenable number.

64834217 is a deficient number, since it is larger than the sum of its proper divisors (12483799).

64834217 is a wasteful number, since it uses less digits than its factorization.

64834217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402727.

The product of its digits is 32256, while the sum is 35.

The square root of 64834217 is about 8051.9697590093. The cubic root of 64834217 is about 401.7304551008.

The spelling of 64834217 in words is "sixty-four million, eight hundred thirty-four thousand, two hundred seventeen".