7997417 has 4 divisors (see below), whose sum is σ = 8273220. Its totient is φ = 7721616.

The previous prime is 7997393. The next prime is 7997447. The reversal of 7997417 is 7147997.

It is a happy number.

7997417 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2725801 + 5271616 = 1651^2 + 2296^2 .

It is a cyclic number.

It is not a de Polignac number, because 7997417 - 2¹⁴ = 7981033 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997447) 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, 137858 + ... + 137915.

It is an arithmetic number, because the mean of its divisors is an integer number (2068305).

Almost surely, 2^7997417 is an apocalyptic number.

It is an amenable number.

7997417 is a deficient number, since it is larger than the sum of its proper divisors (275803).

7997417 is a wasteful number, since it uses less digits than its factorization.

7997417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275802.

The product of its digits is 111132, while the sum is 44.

The square root of 7997417 is about 2827.9704736790. The cubic root of 7997417 is about 199.9784726830.

The spelling of 7997417 in words is "seven million, nine hundred ninety-seven thousand, four hundred seventeen".