65366975 has 12 divisors (see below), whose sum is σ = 83246904. Its totient is φ = 50879520.

The previous prime is 65366953. The next prime is 65366981. The reversal of 65366975 is 57966356.

It is not a de Polignac number, because 65366975 - 2²⁰ = 64318399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34409 + ... + 36258.

It is an arithmetic number, because the mean of its divisors is an integer number (6937242).

Almost surely, 2^65366975 is an apocalyptic number.

65366975 is a deficient number, since it is larger than the sum of its proper divisors (17879929).

65366975 is a wasteful number, since it uses less digits than its factorization.

65366975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70714 (or 70709 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 47.

The square root of 65366975 is about 8084.9845392555. The cubic root of 65366975 is about 402.8278259736.

The spelling of 65366975 in words is "sixty-five million, three hundred sixty-six thousand, nine hundred seventy-five".