65044768 has 12 divisors (see below), whose sum is σ = 128056950. Its totient is φ = 32522368.

The previous prime is 65044753. The next prime is 65044781. The reversal of 65044768 is 86744056.

It can be written as a sum of positive squares in only one way, i.e., 64448784 + 595984 = 8028^2 + 772^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65044768.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016293 + ... + 1016356.

Almost surely, 2^65044768 is an apocalyptic number.

It is an amenable number.

65044768 is a deficient number, since it is larger than the sum of its proper divisors (63012182).

65044768 is a wasteful number, since it uses less digits than its factorization.

65044768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032659 (or 2032651 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 65044768 is about 8065.0336639099. The cubic root of 65044768 is about 402.1648622909.

The spelling of 65044768 in words is "sixty-five million, forty-four thousand, seven hundred sixty-eight".