7118669 has 2 divisors, whose sum is σ = 7118670. Its totient is φ = 7118668.

The previous prime is 7118663. The next prime is 7118677. The reversal of 7118669 is 9668117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6375625 + 743044 = 2525^2 + 862^2 .

It is an emirp because it is prime and its reverse (9668117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7118669 - 2⁸ = 7118413 is a prime.

It is a super-2 number, since 2×7118669² = 101350896663122, 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 (7118663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3559334 + 3559335.

It is an arithmetic number, because the mean of its divisors is an integer number (3559335).

Almost surely, 2^7118669 is an apocalyptic number.

It is an amenable number.

7118669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7118669 is an equidigital number, since it uses as much as digits as its factorization.

7118669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 38.

The square root of 7118669 is about 2668.0833944988. The cubic root of 7118669 is about 192.3680458486.

The spelling of 7118669 in words is "seven million, one hundred eighteen thousand, six hundred sixty-nine".