7420701709 has 2 divisors, whose sum is σ = 7420701710. Its totient is φ = 7420701708.

The previous prime is 7420701703. The next prime is 7420701713. The reversal of 7420701709 is 9071070247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5554720900 + 1865980809 = 74530^2 + 43197^2 .

It is a cyclic number.

It is not a de Polignac number, because 7420701709 - 2¹¹ = 7420699661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7420701703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710350854 + 3710350855.

It is an arithmetic number, because the mean of its divisors is an integer number (3710350855).

Almost surely, 2^7420701709 is an apocalyptic number.

It is an amenable number.

7420701709 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420701709 is an equidigital number, since it uses as much as digits as its factorization.

7420701709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 7420701709 is about 86143.4948733797. The cubic root of 7420701709 is about 1950.5106450520.

The spelling of 7420701709 in words is "seven billion, four hundred twenty million, seven hundred one thousand, seven hundred nine".