64560367 has 4 divisors (see below), whose sum is σ = 64842520. Its totient is φ = 64278216.

The previous prime is 64560361. The next prime is 64560427. The reversal of 64560367 is 76306546.

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

It is a cyclic number.

It is not a de Polignac number, because 64560367 - 2⁷ = 64560239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64560361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140733 + ... + 141190.

It is an arithmetic number, because the mean of its divisors is an integer number (16210630).

Almost surely, 2^64560367 is an apocalyptic number.

64560367 is a deficient number, since it is larger than the sum of its proper divisors (282153).

64560367 is a wasteful number, since it uses less digits than its factorization.

64560367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282152.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 64560367 is about 8034.9466084100. The cubic root of 64560367 is about 401.1640404884.

The spelling of 64560367 in words is "sixty-four million, five hundred sixty thousand, three hundred sixty-seven".