7273240069 has 2 divisors, whose sum is σ = 7273240070. Its totient is φ = 7273240068.

The previous prime is 7273240027. The next prime is 7273240153. The reversal of 7273240069 is 9600423727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7032835044 + 240405025 = 83862^2 + 15505^2 .

It is a cyclic number.

It is not a de Polignac number, because 7273240069 - 2¹⁵ = 7273207301 is a prime.

It is a super-2 number, since 2×7273240069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7273240969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3636620034 + 3636620035.

It is an arithmetic number, because the mean of its divisors is an integer number (3636620035).

Almost surely, 2^7273240069 is an apocalyptic number.

It is an amenable number.

7273240069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7273240069 is an equidigital number, since it uses as much as digits as its factorization.

7273240069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 7273240069 is about 85283.2930238977. The cubic root of 7273240069 is about 1937.5041476373.

The spelling of 7273240069 in words is "seven billion, two hundred seventy-three million, two hundred forty thousand, sixty-nine".