65713850 has 24 divisors (see below), whose sum is σ = 125534748. Its totient is φ = 25574400.

The previous prime is 65713777. The next prime is 65713867. The reversal of 65713850 is 5831756.

It can be written as a sum of positive squares in 6 ways, for example, as 50651689 + 15062161 = 7117^2 + 3881^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65713850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15911 + ... + 19610.

Almost surely, 2^65713850 is an apocalyptic number.

65713850 is a deficient number, since it is larger than the sum of its proper divisors (59820898).

65713850 is a wasteful number, since it uses less digits than its factorization.

65713850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35570 (or 35565 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 65713850 is about 8106.4079591395. The cubic root of 65713850 is about 403.5391151421.

The spelling of 65713850 in words is "sixty-five million, seven hundred thirteen thousand, eight hundred fifty".