65043814 has 16 divisors (see below), whose sum is σ = 106900560. Its totient is φ = 29436160.

The previous prime is 65043791. The next prime is 65043829. The reversal of 65043814 is 41834056.

It is a happy number.

It is a congruent 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, 1219 + ... + 11470.

It is an arithmetic number, because the mean of its divisors is an integer number (6681285).

Almost surely, 2^65043814 is an apocalyptic number.

65043814 is a deficient number, since it is larger than the sum of its proper divisors (41856746).

65043814 is a wasteful number, since it uses less digits than its factorization.

65043814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12935.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 65043814 is about 8064.9745194886. The cubic root of 65043814 is about 402.1628961212.

The spelling of 65043814 in words is "sixty-five million, forty-three thousand, eight hundred fourteen".