65709328 has 20 divisors (see below), whose sum is σ = 127483408. Its totient is φ = 32810400.

The previous prime is 65709317. The next prime is 65709377. The reversal of 65709328 is 82390756.

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, 11803 + ... + 16453.

Almost surely, 2^65709328 is an apocalyptic number.

It is an amenable number.

65709328 is a deficient number, since it is larger than the sum of its proper divisors (61774080).

65709328 is a wasteful number, since it uses less digits than its factorization.

65709328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5542 (or 5536 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 65709328 is about 8106.1290391900. The cubic root of 65709328 is about 403.5298586168.

The spelling of 65709328 in words is "sixty-five million, seven hundred nine thousand, three hundred twenty-eight".