64334336 has 40 divisors (see below), whose sum is σ = 140241024. Its totient is φ = 29240320.

The previous prime is 64334327. The next prime is 64334359. The reversal of 64334336 is 63343346.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a zygodrome in base 4.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 11343.

Almost surely, 2^64334336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64334336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70120512).

64334336 is an abundant number, since it is smaller than the sum of its proper divisors (75906688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64334336 is a wasteful number, since it uses less digits than its factorization.

64334336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11452 (or 11436 counting only the distinct ones).

The product of its digits is 46656, while the sum is 32.

The square root of 64334336 is about 8020.8687808741. The cubic root of 64334336 is about 400.6953239445.

The spelling of 64334336 in words is "sixty-four million, three hundred thirty-four thousand, three hundred thirty-six".