65012072 has 16 divisors (see below), whose sum is σ = 128313600. Its totient is φ = 30795120.

The previous prime is 65012039. The next prime is 65012081. The reversal of 65012072 is 27021056.

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, 213704 + ... + 214007.

It is an arithmetic number, because the mean of its divisors is an integer number (8019600).

Almost surely, 2^65012072 is an apocalyptic number.

It is an amenable number.

65012072 is a deficient number, since it is larger than the sum of its proper divisors (63301528).

65012072 is a wasteful number, since it uses less digits than its factorization.

65012072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427736 (or 427732 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 65012072 is about 8063.0063871983. The cubic root of 65012072 is about 402.0974657034.

The spelling of 65012072 in words is "sixty-five million, twelve thousand, seventy-two".