7272268709 has 2 divisors, whose sum is σ = 7272268710. Its totient is φ = 7272268708.

The previous prime is 7272268693. The next prime is 7272268733. The reversal of 7272268709 is 9078622727.

7272268709 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5759292100 + 1512976609 = 75890^2 + 38897^2 .

It is a cyclic number.

It is not a de Polignac number, because 7272268709 - 2⁴ = 7272268693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7272268009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3636134354 + 3636134355.

It is an arithmetic number, because the mean of its divisors is an integer number (3636134355).

Almost surely, 2^7272268709 is an apocalyptic number.

It is an amenable number.

7272268709 is a deficient number, since it is larger than the sum of its proper divisors (1).

7272268709 is an equidigital number, since it uses as much as digits as its factorization.

7272268709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 7272268709 is about 85277.5979316960. The cubic root of 7272268709 is about 1937.4178909026.

The spelling of 7272268709 in words is "seven billion, two hundred seventy-two million, two hundred sixty-eight thousand, seven hundred nine".