64683329 has 16 divisors (see below), whose sum is σ = 68596224. Its totient is φ = 60912000.

The previous prime is 64683301. The next prime is 64683401. The reversal of 64683329 is 92338646.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64683329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64683029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228422 + ... + 228704.

It is an arithmetic number, because the mean of its divisors is an integer number (4287264).

Almost surely, 2^64683329 is an apocalyptic number.

It is an amenable number.

64683329 is a deficient number, since it is larger than the sum of its proper divisors (3912895).

64683329 is a wasteful number, since it uses less digits than its factorization.

64683329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its digits is 186624, while the sum is 41.

The square root of 64683329 is about 8042.5946683891. The cubic root of 64683329 is about 401.4185653173.

The spelling of 64683329 in words is "sixty-four million, six hundred eighty-three thousand, three hundred twenty-nine".