7240669 has 2 divisors, whose sum is σ = 7240670. Its totient is φ = 7240668.

The previous prime is 7240663. The next prime is 7240687. The reversal of 7240669 is 9660427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5244100 + 1996569 = 2290^2 + 1413^2 .

It is a cyclic number.

It is not a de Polignac number, because 7240669 - 2⁵ = 7240637 is a prime.

It is a super-2 number, since 2×7240669² = 104854575135122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7240663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3620334 + 3620335.

It is an arithmetic number, because the mean of its divisors is an integer number (3620335).

Almost surely, 2^7240669 is an apocalyptic number.

It is an amenable number.

7240669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7240669 is an equidigital number, since it uses as much as digits as its factorization.

7240669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 7240669 is about 2690.8491224890. The cubic root of 7240669 is about 193.4607638554.

The spelling of 7240669 in words is "seven million, two hundred forty thousand, six hundred sixty-nine".