65766992 has 10 divisors (see below), whose sum is σ = 127423578. Its totient is φ = 32883488.

The previous prime is 65766991. The next prime is 65766997. The reversal of 65766992 is 29966756.

65766992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 53348416 + 12418576 = 7304^2 + 3524^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65766992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65766991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055203 + ... + 2055234.

Almost surely, 2^65766992 is an apocalyptic number.

It is an amenable number.

65766992 is a deficient number, since it is larger than the sum of its proper divisors (61656586).

65766992 is a wasteful number, since it uses less digits than its factorization.

65766992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110445 (or 4110439 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 50.

The square root of 65766992 is about 8109.6850740334. The cubic root of 65766992 is about 403.6478649085.

The spelling of 65766992 in words is "sixty-five million, seven hundred sixty-six thousand, nine hundred ninety-two".