7997741 has 2 divisors, whose sum is σ = 7997742. Its totient is φ = 7997740.

The previous prime is 7997729. The next prime is 7997749. The reversal of 7997741 is 1477997.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4116841 + 3880900 = 2029^2 + 1970^2 .

It is a cyclic number.

It is not a de Polignac number, because 7997741 - 2⁶ = 7997677 is a prime.

It is a super-2 number, since 2×7997741² = 127927722206162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7997692 and 7997701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7997749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3998870 + 3998871.

It is an arithmetic number, because the mean of its divisors is an integer number (3998871).

Almost surely, 2^7997741 is an apocalyptic number.

It is an amenable number.

7997741 is a deficient number, since it is larger than the sum of its proper divisors (1).

7997741 is an equidigital number, since it uses as much as digits as its factorization.

7997741 is an odious number, because the sum of its binary digits is odd.

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

The square root of 7997741 is about 2828.0277579967. The cubic root of 7997741 is about 199.9811732278.

The spelling of 7997741 in words is "seven million, nine hundred ninety-seven thousand, seven hundred forty-one".