65713845 has 16 divisors (see below), whose sum is σ = 105347520. Its totient is φ = 34978944.

The previous prime is 65713777. The next prime is 65713867. The reversal of 65713845 is 54831756.

It is not a de Polignac number, because 65713845 - 2¹¹ = 65711797 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4201 + ... + 12209.

It is an arithmetic number, because the mean of its divisors is an integer number (6584220).

Almost surely, 2^65713845 is an apocalyptic number.

It is an amenable number.

65713845 is a deficient number, since it is larger than the sum of its proper divisors (39633675).

65713845 is a wasteful number, since it uses less digits than its factorization.

65713845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8564.

The product of its digits is 100800, while the sum is 39.

The square root of 65713845 is about 8106.4076507415. The cubic root of 65713845 is about 403.5391049073.

The spelling of 65713845 in words is "sixty-five million, seven hundred thirteen thousand, eight hundred forty-five".