65749065 has 16 divisors (see below), whose sum is σ = 109772928. Its totient is φ = 33541376.

The previous prime is 65749051. The next prime is 65749067. The reversal of 65749065 is 56094756.

It is a cyclic number.

It is not a de Polignac number, because 65749065 - 2⁴ = 65749049 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (65749067) 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, 94944 + ... + 95633.

It is an arithmetic number, because the mean of its divisors is an integer number (6860808).

Almost surely, 2^65749065 is an apocalyptic number.

It is an amenable number.

65749065 is a deficient number, since it is larger than the sum of its proper divisors (44023863).

65749065 is a wasteful number, since it uses less digits than its factorization.

65749065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190608.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 65749065 is about 8108.5797153386. The cubic root of 65749065 is about 403.6111856533.

The spelling of 65749065 in words is "sixty-five million, seven hundred forty-nine thousand, sixty-five".