7645117 has 2 divisors, whose sum is σ = 7645118. Its totient is φ = 7645116.

The previous prime is 7645073. The next prime is 7645159. The reversal of 7645117 is 7115467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4218916 + 3426201 = 2054^2 + 1851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7645117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7645817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3822558 + 3822559.

It is an arithmetic number, because the mean of its divisors is an integer number (3822559).

Almost surely, 2^7645117 is an apocalyptic number.

It is an amenable number.

7645117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7645117 is an equidigital number, since it uses as much as digits as its factorization.

7645117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 31.

The square root of 7645117 is about 2764.9804700938. The cubic root of 7645117 is about 196.9978011728.

The spelling of 7645117 in words is "seven million, six hundred forty-five thousand, one hundred seventeen".