65717065 has 8 divisors (see below), whose sum is σ = 78949440. Its totient is φ = 52514352.

The previous prime is 65717063. The next prime is 65717077. The reversal of 65717065 is 56071756.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65717065 - 2¹ = 65717063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65717063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2205 + ... + 11674.

It is an arithmetic number, because the mean of its divisors is an integer number (9868680).

Almost surely, 2^65717065 is an apocalyptic number.

It is an amenable number.

65717065 is a deficient number, since it is larger than the sum of its proper divisors (13232375).

65717065 is a wasteful number, since it uses less digits than its factorization.

65717065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14831.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 65717065 is about 8106.6062566280. The cubic root of 65717065 is about 403.5456959826.

The spelling of 65717065 in words is "sixty-five million, seven hundred seventeen thousand, sixty-five".