7409669 has 2 divisors, whose sum is σ = 7409670. Its totient is φ = 7409668.

The previous prime is 7409629. The next prime is 7409737. The reversal of 7409669 is 9669047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4389025 + 3020644 = 2095^2 + 1738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7409669 is a prime.

It is a super-2 number, since 2×7409669² = 109806389379122, which contains 22 as substring.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7409629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3704834 + 3704835.

It is an arithmetic number, because the mean of its divisors is an integer number (3704835).

Almost surely, 2^7409669 is an apocalyptic number.

It is an amenable number.

7409669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7409669 is an equidigital number, since it uses as much as digits as its factorization.

7409669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 7409669 is about 2722.0707191401. The cubic root of 7409669 is about 194.9543526727.

The spelling of 7409669 in words is "seven million, four hundred nine thousand, six hundred sixty-nine".