65765716 has 6 divisors (see below), whose sum is σ = 115090010. Its totient is φ = 32882856.

The previous prime is 65765701. The next prime is 65765723. The reversal of 65765716 is 61756756.

65765716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 61685316 + 4080400 = 7854^2 + 2020^2 .

It is a super-3 number, since 3×65765716³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8220711 + ... + 8220718.

Almost surely, 2^65765716 is an apocalyptic number.

It is an amenable number.

65765716 is a deficient number, since it is larger than the sum of its proper divisors (49324294).

65765716 is a wasteful number, since it uses less digits than its factorization.

65765716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16441433 (or 16441431 counting only the distinct ones).

The product of its digits is 264600, while the sum is 43.

The square root of 65765716 is about 8109.6064022861. The cubic root of 65765716 is about 403.6452543892.

The spelling of 65765716 in words is "sixty-five million, seven hundred sixty-five thousand, seven hundred sixteen".