65843968 has 36 divisors (see below), whose sum is σ = 138358360. Its totient is φ = 31186944.

The previous prime is 65843929. The next prime is 65843977. The reversal of 65843968 is 86934856.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905 + ... + 11632.

Almost surely, 2^65843968 is an apocalyptic number.

It is an amenable number.

65843968 is an abundant number, since it is smaller than the sum of its proper divisors (72514392).

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

65843968 is a wasteful number, since it uses less digits than its factorization.

65843968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13572 (or 13558 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 65843968 is about 8114.4296164302. The cubic root of 65843968 is about 403.8052847261.

The spelling of 65843968 in words is "sixty-five million, eight hundred forty-three thousand, nine hundred sixty-eight".