65745707 has 12 divisors (see below), whose sum is σ = 70607040. Its totient is φ = 61169328.

The previous prime is 65745703. The next prime is 65745731. The reversal of 65745707 is 70754756.

It is not a de Polignac number, because 65745707 - 2² = 65745703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65745703) 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, 17894 + ... + 21252.

It is an arithmetic number, because the mean of its divisors is an integer number (5883920).

Almost surely, 2^65745707 is an apocalyptic number.

65745707 is a deficient number, since it is larger than the sum of its proper divisors (4861333).

65745707 is a wasteful number, since it uses less digits than its factorization.

65745707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442 (or 3419 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 65745707 is about 8108.3726480719. The cubic root of 65745707 is about 403.6043143290.

It can be divided in two parts, 657 and 45707, that added together give a palindrome (46364).

The spelling of 65745707 in words is "sixty-five million, seven hundred forty-five thousand, seven hundred seven".