65305064 has 32 divisors (see below), whose sum is σ = 135203040. Its totient is φ = 29323200.

The previous prime is 65305049. The next prime is 65305067. The reversal of 65305064 is 46050356.

It is not an unprimeable number, because it can be changed into a prime (65305067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2834 + ... + 11774.

It is an arithmetic number, because the mean of its divisors is an integer number (4225095).

Almost surely, 2^65305064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65305064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67601520).

65305064 is an abundant number, since it is smaller than the sum of its proper divisors (69897976).

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

65305064 is a wasteful number, since it uses less digits than its factorization.

65305064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9041 (or 9037 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 65305064 is about 8081.1548679629. The cubic root of 65305064 is about 402.7006090759.

The spelling of 65305064 in words is "sixty-five million, three hundred five thousand, sixty-four".