65965760 has 112 divisors (see below), whose sum is σ = 183489600. Its totient is φ = 22579200.

The previous prime is 65965751. The next prime is 65965787. The reversal of 65965760 is 6756956.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109460 + ... + 110060.

It is an arithmetic number, because the mean of its divisors is an integer number (1638300).

Almost surely, 2^65965760 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 65965760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91744800).

65965760 is an abundant number, since it is smaller than the sum of its proper divisors (117523840).

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

65965760 is an equidigital number, since it uses as much as digits as its factorization.

65965760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 65965760 is about 8121.9308049256. The cubic root of 65965760 is about 404.0541050957.

The spelling of 65965760 in words is "sixty-five million, nine hundred sixty-five thousand, seven hundred sixty".