64650304 has 28 divisors (see below), whose sum is σ = 129022348. Its totient is φ = 32140800.

The previous prime is 64650247. The next prime is 64650307. The reversal of 64650304 is 40305646.

64650304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7617600 + 57032704 = 2760^2 + 7552^2 .

It is a super-3 number, since 3×64650304³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (64650307) 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 3 ways as a sum of consecutive naturals, for example, 8794 + ... + 14374.

It is an arithmetic number, because the mean of its divisors is an integer number (4607941).

Almost surely, 2^64650304 is an apocalyptic number.

64650304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64650304 is a deficient number, since it is larger than the sum of its proper divisors (64372044).

64650304 is a wasteful number, since it uses less digits than its factorization.

64650304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5774 (or 5764 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 64650304 is about 8040.5412753123. The cubic root of 64650304 is about 401.3502370215.

The spelling of 64650304 in words is "sixty-four million, six hundred fifty thousand, three hundred four".