65704986 has 16 divisors (see below), whose sum is σ = 146011200. Its totient is φ = 21901644.

The previous prime is 65704979. The next prime is 65705009. The reversal of 65704986 is 68940756.

65704986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 608326 + ... + 608433.

It is an arithmetic number, because the mean of its divisors is an integer number (9125700).

Almost surely, 2^65704986 is an apocalyptic number.

65704986 is an abundant number, since it is smaller than the sum of its proper divisors (80306214).

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

65704986 is a wasteful number, since it uses less digits than its factorization.

65704986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216770 (or 1216764 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 65704986 is about 8105.8612127275. The cubic root of 65704986 is about 403.5209701516.

The spelling of 65704986 in words is "sixty-five million, seven hundred four thousand, nine hundred eighty-six".