64560312 has 48 divisors (see below), whose sum is σ = 175528080. Its totient is φ = 21436800.

The previous prime is 64560299. The next prime is 64560317. The reversal of 64560312 is 21306546.

64560312 is a `hidden beast` number, since 6 + 45 + 603 + 12 = 666.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64560317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18637 + ... + 21827.

It is an arithmetic number, because the mean of its divisors is an integer number (3656835).

Almost surely, 2^64560312 is an apocalyptic number.

It is an amenable number.

64560312 is an abundant number, since it is smaller than the sum of its proper divisors (110967768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64560312 is a wasteful number, since it uses less digits than its factorization.

64560312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484 (or 3477 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 64560312 is about 8034.9431858601. The cubic root of 64560312 is about 401.1639265690.

Adding to 64560312 its reverse (21306546), we get a palindrome (85866858).

The spelling of 64560312 in words is "sixty-four million, five hundred sixty thousand, three hundred twelve".