7074242009 has 2 divisors, whose sum is σ = 7074242010. Its totient is φ = 7074242008.

The previous prime is 7074242003. The next prime is 7074242017. The reversal of 7074242009 is 9002424707.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6596688400 + 477553609 = 81220^2 + 21853^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7074242009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7074242009.

It is not a weakly prime, because it can be changed into another prime (7074242003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3537121004 + 3537121005.

It is an arithmetic number, because the mean of its divisors is an integer number (3537121005).

Almost surely, 2^7074242009 is an apocalyptic number.

It is an amenable number.

7074242009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7074242009 is an equidigital number, since it uses as much as digits as its factorization.

7074242009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 7074242009 is about 84108.5132968120. The cubic root of 7074242009 is about 1919.6702639228.

The spelling of 7074242009 in words is "seven billion, seventy-four million, two hundred forty-two thousand, nine".