64045618 has 32 divisors (see below), whose sum is σ = 124467840. Its totient is φ = 24001920.

The previous prime is 64045609. The next prime is 64045651. The reversal of 64045618 is 81654046.

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 in 15 ways as a sum of consecutive naturals, for example, 5803 + ... + 12718.

It is an arithmetic number, because the mean of its divisors is an integer number (3889620).

Almost surely, 2^64045618 is an apocalyptic number.

64045618 is a deficient number, since it is larger than the sum of its proper divisors (60422222).

64045618 is a wasteful number, since it uses less digits than its factorization.

64045618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18562.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 64045618 is about 8002.8506171239. The cubic root of 64045618 is about 400.0950149286.

The spelling of 64045618 in words is "sixty-four million, forty-five thousand, six hundred eighteen".