64818304 has 16 divisors (see below), whose sum is σ = 129130470. Its totient is φ = 32409088.

The previous prime is 64818293. The next prime is 64818343. The reversal of 64818304 is 40381846.

It can be written as a sum of positive squares in only one way, i.e., 53582400 + 11235904 = 7320^2 + 3352^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 64818304.

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 as a sum of consecutive naturals, namely, 253069 + ... + 253324.

Almost surely, 2^64818304 is an apocalyptic number.

64818304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64818304 is a deficient number, since it is larger than the sum of its proper divisors (64312166).

64818304 is an equidigital number, since it uses as much as digits as its factorization.

64818304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506407 (or 506395 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 64818304 is about 8050.9815550652. The cubic root of 64818304 is about 401.6975853184.

The spelling of 64818304 in words is "sixty-four million, eight hundred eighteen thousand, three hundred four".