7081217 has 16 divisors (see below), whose sum is σ = 8684928. Its totient is φ = 5681280.

The previous prime is 7081213. The next prime is 7081241. The reversal of 7081217 is 7121807.

It is not a de Polignac number, because 7081217 - 2² = 7081213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7081213) 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, 2213 + ... + 4365.

It is an arithmetic number, because the mean of its divisors is an integer number (542808).

Almost surely, 2^7081217 is an apocalyptic number.

It is an amenable number.

7081217 is a deficient number, since it is larger than the sum of its proper divisors (1603711).

7081217 is a wasteful number, since it uses less digits than its factorization.

7081217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 7081217 is about 2661.0556176074. The cubic root of 7081217 is about 192.0300969168.

The spelling of 7081217 in words is "seven million, eighty-one thousand, two hundred seventeen".