7065345217 has 4 divisors (see below), whose sum is σ = 8074680256. Its totient is φ = 6056010180.

The previous prime is 7065345211. The next prime is 7065345241. The reversal of 7065345217 is 7125435607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7065345217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7065345217.

It is not an unprimeable number, because it can be changed into a prime (7065345211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504667509 + ... + 504667522.

It is an arithmetic number, because the mean of its divisors is an integer number (2018670064).

Almost surely, 2^7065345217 is an apocalyptic number.

It is an amenable number.

7065345217 is a deficient number, since it is larger than the sum of its proper divisors (1009335039).

7065345217 is a wasteful number, since it uses less digits than its factorization.

7065345217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009335038.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 7065345217 is about 84055.6078854945. The cubic root of 7065345217 is about 1918.8651801795.

The spelling of 7065345217 in words is "seven billion, sixty-five million, three hundred forty-five thousand, two hundred seventeen".