65716244 has 24 divisors (see below), whose sum is σ = 130915008. Its totient is φ = 28571840.

The previous prime is 65716223. The next prime is 65716253. The reversal of 65716244 is 44261756.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31457 + ... + 33480.

It is an arithmetic number, because the mean of its divisors is an integer number (5454792).

Almost surely, 2^65716244 is an apocalyptic number.

It is an amenable number.

65716244 is a deficient number, since it is larger than the sum of its proper divisors (65198764).

65716244 is a wasteful number, since it uses less digits than its factorization.

65716244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64975 (or 64973 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 65716244 is about 8106.5556187570. Note that the first 3 decimals coincide. The cubic root of 65716244 is about 403.5440154836.

The spelling of 65716244 in words is "sixty-five million, seven hundred sixteen thousand, two hundred forty-four".