65649714 has 16 divisors (see below), whose sum is σ = 141399552. Its totient is φ = 20199888.

The previous prime is 65649709. The next prime is 65649739. The reversal of 65649714 is 41794656.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420754 + ... + 420909.

It is an arithmetic number, because the mean of its divisors is an integer number (8837472).

Almost surely, 2^65649714 is an apocalyptic number.

65649714 is an abundant number, since it is smaller than the sum of its proper divisors (75749838).

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

65649714 is a wasteful number, since it uses less digits than its factorization.

65649714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841681.

The product of its digits is 181440, while the sum is 42.

The square root of 65649714 is about 8102.4511106208. The cubic root of 65649714 is about 403.4077891520.

The spelling of 65649714 in words is "sixty-five million, six hundred forty-nine thousand, seven hundred fourteen".