7798069 has 2 divisors, whose sum is σ = 7798070. Its totient is φ = 7798068.

The previous prime is 7797997. The next prime is 7798073. The reversal of 7798069 is 9608977.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6185169 + 1612900 = 2487^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 7798069 - 2¹¹ = 7796021 is a prime.

It is a super-2 number, since 2×7798069² = 121619760257522, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7798369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3899034 + 3899035.

It is an arithmetic number, because the mean of its divisors is an integer number (3899035).

Almost surely, 2^7798069 is an apocalyptic number.

It is an amenable number.

7798069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7798069 is an equidigital number, since it uses as much as digits as its factorization.

7798069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 7798069 is about 2792.5022828997. The cubic root of 7798069 is about 198.3028813418.

The spelling of 7798069 in words is "seven million, seven hundred ninety-eight thousand, sixty-nine".