65976568 has 32 divisors (see below), whose sum is σ = 141896160. Its totient is φ = 28172160.

The previous prime is 65976553. The next prime is 65976583. The reversal of 65976568 is 86567956.

It is an interprime number because it is at equal distance from previous prime (65976553) and next prime (65976583).

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 7 ways as a sum of consecutive naturals, for example, 14398 + ... + 18418.

It is an arithmetic number, because the mean of its divisors is an integer number (4434255).

Almost surely, 2^65976568 is an apocalyptic number.

It is an amenable number.

65976568 is an abundant number, since it is smaller than the sum of its proper divisors (75919592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65976568 is a wasteful number, since it uses less digits than its factorization.

65976568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327 (or 4323 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 52.

The square root of 65976568 is about 8122.5961367041. The cubic root of 65976568 is about 404.0761709790.

The spelling of 65976568 in words is "sixty-five million, nine hundred seventy-six thousand, five hundred sixty-eight".