64327345 has 4 divisors (see below), whose sum is σ = 77192820. Its totient is φ = 51461872.

The previous prime is 64327321. The next prime is 64327379. The reversal of 64327345 is 54372346.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19651489 + 44675856 = 4433^2 + 6684^2 .

It is a cyclic number.

It is not a de Polignac number, because 64327345 - 2¹⁵ = 64294577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64327345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6432730 + ... + 6432739.

It is an arithmetic number, because the mean of its divisors is an integer number (19298205).

Almost surely, 2^64327345 is an apocalyptic number.

It is an amenable number.

64327345 is a deficient number, since it is larger than the sum of its proper divisors (12865475).

64327345 is a wasteful number, since it uses less digits than its factorization.

64327345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12865474.

The product of its digits is 60480, while the sum is 34.

The square root of 64327345 is about 8020.4329683627. The cubic root of 64327345 is about 400.6808093392.

The spelling of 64327345 in words is "sixty-four million, three hundred twenty-seven thousand, three hundred forty-five".