64333332 has 96 divisors (see below), whose sum is σ = 195148800. Its totient is φ = 17944416.

The previous prime is 64333331. The next prime is 64333349. The reversal of 64333332 is 23333346.

64333332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64333296 and 64333305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64333331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31519 + ... + 33497.

It is an arithmetic number, because the mean of its divisors is an integer number (2032800).

Almost surely, 2^64333332 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 64333332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97574400).

64333332 is an abundant number, since it is smaller than the sum of its proper divisors (130815468).

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

64333332 is a wasteful number, since it uses less digits than its factorization.

64333332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042 (or 2034 counting only the distinct ones).

The product of its digits is 11664, while the sum is 27.

The square root of 64333332 is about 8020.8061938935. The cubic root of 64333332 is about 400.6932395200.

Adding to 64333332 its reverse (23333346), we get a palindrome (87666678).

The spelling of 64333332 in words is "sixty-four million, three hundred thirty-three thousand, three hundred thirty-two".