65947064 has 8 divisors (see below), whose sum is σ = 123650760. Its totient is φ = 32973528.

The previous prime is 65947051. The next prime is 65947087. The reversal of 65947064 is 46074956.

It is a tau number, because it is divible by the number of its divisors (8).

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, 4121684 + ... + 4121699.

It is an arithmetic number, because the mean of its divisors is an integer number (15456345).

Almost surely, 2^65947064 is an apocalyptic number.

It is an amenable number.

65947064 is a deficient number, since it is larger than the sum of its proper divisors (57703696).

65947064 is a wasteful number, since it uses less digits than its factorization.

65947064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243389 (or 8243385 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 65947064 is about 8120.7797655151. The cubic root of 65947064 is about 404.0159291827.

The spelling of 65947064 in words is "sixty-five million, nine hundred forty-seven thousand, sixty-four".