65745617 has 16 divisors (see below), whose sum is σ = 77376000. Its totient is φ = 54699840.

The previous prime is 65745611. The next prime is 65745619. The reversal of 65745617 is 71654756.

It is a cyclic number.

It is not a de Polignac number, because 65745617 - 2⁴ = 65745601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65745611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32759 + ... + 34707.

It is an arithmetic number, because the mean of its divisors is an integer number (4836000).

Almost surely, 2^65745617 is an apocalyptic number.

It is an amenable number.

65745617 is a deficient number, since it is larger than the sum of its proper divisors (11630383).

65745617 is a wasteful number, since it uses less digits than its factorization.

65745617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096.

The product of its digits is 176400, while the sum is 41.

The square root of 65745617 is about 8108.3670982510. The cubic root of 65745617 is about 403.6041301628.

The spelling of 65745617 in words is "sixty-five million, seven hundred forty-five thousand, six hundred seventeen".