65685764 has 12 divisors (see below), whose sum is σ = 115182144. Its totient is φ = 32776584.

The previous prime is 65685757. The next prime is 65685787. The reversal of 65685764 is 46758656.

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 3 ways as a sum of consecutive naturals, for example, 14312 + ... + 18335.

It is an arithmetic number, because the mean of its divisors is an integer number (9598512).

Almost surely, 2^65685764 is an apocalyptic number.

It is an amenable number.

65685764 is a deficient number, since it is larger than the sum of its proper divisors (49496380).

65685764 is a wasteful number, since it uses less digits than its factorization.

65685764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33154 (or 33152 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The square root of 65685764 is about 8104.6754407564. The cubic root of 65685764 is about 403.4816162807.

The spelling of 65685764 in words is "sixty-five million, six hundred eighty-five thousand, seven hundred sixty-four".