65759968 has 12 divisors (see below), whose sum is σ = 129465000. Its totient is φ = 32879968.

The previous prime is 65759957. The next prime is 65759971. The reversal of 65759968 is 86995756.

It is a happy number.

It is a super-2 number, since 2×65759968² = 8648746782722048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027468 + ... + 1027531.

It is an arithmetic number, because the mean of its divisors is an integer number (10788750).

Almost surely, 2^65759968 is an apocalyptic number.

It is an amenable number.

65759968 is a deficient number, since it is larger than the sum of its proper divisors (63705032).

65759968 is a wasteful number, since it uses less digits than its factorization.

65759968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055009 (or 2055001 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 55.

The square root of 65759968 is about 8109.2520000306. The cubic root of 65759968 is about 403.6334943585.

The spelling of 65759968 in words is "sixty-five million, seven hundred fifty-nine thousand, nine hundred sixty-eight".