7217065 has 8 divisors (see below), whose sum is σ = 8676360. Its totient is φ = 5763072.

The previous prime is 7217059. The next prime is 7217071. The reversal of 7217065 is 5607127.

It is an interprime number because it is at equal distance from previous prime (7217059) and next prime (7217071).

It can be written as a sum of positive squares in 4 ways, for example, as 760384 + 6456681 = 872^2 + 2541^2 .

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 7217065 - 2⁵ = 7217033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2907 + ... + 4783.

It is an arithmetic number, because the mean of its divisors is an integer number (1084545).

Almost surely, 2^7217065 is an apocalyptic number.

It is an amenable number.

7217065 is a deficient number, since it is larger than the sum of its proper divisors (1459295).

7217065 is a wasteful number, since it uses less digits than its factorization.

7217065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 7217065 is about 2686.4595660460. The cubic root of 7217065 is about 193.2503128156.

The spelling of 7217065 in words is "seven million, two hundred seventeen thousand, sixty-five".