7294135729 has 2 divisors, whose sum is σ = 7294135730. Its totient is φ = 7294135728.

The previous prime is 7294135703. The next prime is 7294135769. The reversal of 7294135729 is 9275314927.

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., 6597175729 + 696960000 = 81223^2 + 26400^2 .

It is an emirp because it is prime and its reverse (9275314927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7294135729 - 2⁵ = 7294135697 is a prime.

It is a super-2 number, since 2×7294135729² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7294135769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3647067864 + 3647067865.

It is an arithmetic number, because the mean of its divisors is an integer number (3647067865).

Almost surely, 2^7294135729 is an apocalyptic number.

It is an amenable number.

7294135729 is a deficient number, since it is larger than the sum of its proper divisors (1).

7294135729 is an equidigital number, since it uses as much as digits as its factorization.

7294135729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 7294135729 is about 85405.7125080050. The cubic root of 7294135729 is about 1939.3578248806.

The spelling of 7294135729 in words is "seven billion, two hundred ninety-four million, one hundred thirty-five thousand, seven hundred twenty-nine".