64330517 has 8 divisors (see below), whose sum is σ = 68765760. Its totient is φ = 60031840.

The previous prime is 64330507. The next prime is 64330559. The reversal of 64330517 is 71503346.

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

It is not a de Polignac number, because 64330517 - 2⁴ = 64330501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64330517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64330507) 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, 33167 + ... + 35052.

It is an arithmetic number, because the mean of its divisors is an integer number (8595720).

Almost surely, 2^64330517 is an apocalyptic number.

It is an amenable number.

64330517 is a deficient number, since it is larger than the sum of its proper divisors (4435243).

64330517 is a wasteful number, since it uses less digits than its factorization.

64330517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68283.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 64330517 is about 8020.6307108606. The cubic root of 64330517 is about 400.6873951265.

The spelling of 64330517 in words is "sixty-four million, three hundred thirty thousand, five hundred seventeen".