64326945 has 16 divisors (see below), whose sum is σ = 103836672. Its totient is φ = 34003200.

The previous prime is 64326877. The next prime is 64326947. The reversal of 64326945 is 54962346.

64326945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64326945 - 2⁷ = 64326817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64326947) 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 15 ways as a sum of consecutive naturals, for example, 17281 + ... + 20670.

It is an arithmetic number, because the mean of its divisors is an integer number (6489792).

Almost surely, 2^64326945 is an apocalyptic number.

It is an amenable number.

64326945 is a deficient number, since it is larger than the sum of its proper divisors (39509727).

64326945 is a wasteful number, since it uses less digits than its factorization.

64326945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38072.

The product of its digits is 155520, while the sum is 39.

The square root of 64326945 is about 8020.4080320143. The cubic root of 64326945 is about 400.6799788336.

The spelling of 64326945 in words is "sixty-four million, three hundred twenty-six thousand, nine hundred forty-five".