64334617 has 8 divisors (see below), whose sum is σ = 66011400. Its totient is φ = 62663040.

The previous prime is 64334593. The next prime is 64334623. The reversal of 64334617 is 71643346.

It can be written as a sum of positive squares in 4 ways, for example, as 7241481 + 57093136 = 2691^2 + 7556^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 64334617 - 2⁷ = 64334489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64334717) 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, 40759 + ... + 42307.

It is an arithmetic number, because the mean of its divisors is an integer number (8251425).

Almost surely, 2^64334617 is an apocalyptic number.

It is an amenable number.

64334617 is a deficient number, since it is larger than the sum of its proper divisors (1676783).

64334617 is a wasteful number, since it uses less digits than its factorization.

64334617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603.

The product of its digits is 36288, while the sum is 34.

The square root of 64334617 is about 8020.8862976606. The cubic root of 64334617 is about 400.6959073303.

The spelling of 64334617 in words is "sixty-four million, three hundred thirty-four thousand, six hundred seventeen".