65975768 has 16 divisors (see below), whose sum is σ = 123795000. Its totient is φ = 32963776.

The previous prime is 65975761. The next prime is 65975779. The reversal of 65975768 is 86757956.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65975761) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14828 + ... + 18756.

Almost surely, 2^65975768 is an apocalyptic number.

It is an amenable number.

65975768 is a deficient number, since it is larger than the sum of its proper divisors (57819232).

65975768 is a wasteful number, since it uses less digits than its factorization.

65975768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6034 (or 6030 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 53.

The square root of 65975768 is about 8122.5468912158. The cubic root of 65975768 is about 404.0745377615.

The spelling of 65975768 in words is "sixty-five million, nine hundred seventy-five thousand, seven hundred sixty-eight".