65069968 has 20 divisors (see below), whose sum is σ = 130421340. Its totient is φ = 31412864.

The previous prime is 65069951. The next prime is 65069987. The reversal of 65069968 is 86996056.

It can be written as a sum of positive squares in 2 ways, for example, as 53699584 + 11370384 = 7328^2 + 3372^2 .

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, 69655 + ... + 70582.

It is an arithmetic number, because the mean of its divisors is an integer number (6521067).

Almost surely, 2^65069968 is an apocalyptic number.

It is an amenable number.

65069968 is an abundant number, since it is smaller than the sum of its proper divisors (65351372).

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

65069968 is a wasteful number, since it uses less digits than its factorization.

65069968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140274 (or 140268 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 65069968 is about 8066.5958123610. The cubic root of 65069968 is about 402.2167918891.

The spelling of 65069968 in words is "sixty-five million, sixty-nine thousand, nine hundred sixty-eight".