64320332 has 12 divisors (see below), whose sum is σ = 112990416. Its totient is φ = 32037360.

The previous prime is 64320331. The next prime is 64320337. The reversal of 64320332 is 23302346.

It is a junction number, because it is equal to n+sod(n) for n = 64320298 and 64320307.

It is not an unprimeable number, because it can be changed into a prime (64320331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29519 + ... + 31622.

It is an arithmetic number, because the mean of its divisors is an integer number (9415868).

Almost surely, 2^64320332 is an apocalyptic number.

It is an amenable number.

64320332 is a deficient number, since it is larger than the sum of its proper divisors (48670084).

64320332 is a wasteful number, since it uses less digits than its factorization.

64320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61408 (or 61406 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 64320332 is about 8019.9957605974. The cubic root of 64320332 is about 400.6662480012. Note that the first 3 decimals are identical.

Adding to 64320332 its reverse (23302346), we get a palindrome (87622678).

The spelling of 64320332 in words is "sixty-four million, three hundred twenty thousand, three hundred thirty-two".