64332330 has 32 divisors (see below), whose sum is σ = 154643904. Its totient is φ = 17127936.

The previous prime is 64332329. The next prime is 64332341. The reversal of 64332330 is 3323346.

64332330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64332330.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23514 + ... + 26106.

It is an arithmetic number, because the mean of its divisors is an integer number (4832622).

Almost surely, 2^64332330 is an apocalyptic number.

64332330 is an abundant number, since it is smaller than the sum of its proper divisors (90311574).

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

64332330 is a wasteful number, since it uses less digits than its factorization.

64332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430.

The product of its (nonzero) digits is 3888, while the sum is 24.

The square root of 64332330 is about 8020.7437311012. The cubic root of 64332330 is about 400.6911592261.

Adding to 64332330 its reverse (3323346), we get a palindrome (67655676).

The spelling of 64332330 in words is "sixty-four million, three hundred thirty-two thousand, three hundred thirty".