7265729 has 2 divisors, whose sum is σ = 7265730. Its totient is φ = 7265728.

The previous prime is 7265711. The next prime is 7265759. The reversal of 7265729 is 9275627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7263025 + 2704 = 2695^2 + 52^2 .

It is a cyclic number.

It is not a de Polignac number, because 7265729 - 2⁸ = 7265473 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7265692 and 7265701.

It is not a weakly prime, because it can be changed into another prime (7265759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3632864 + 3632865.

It is an arithmetic number, because the mean of its divisors is an integer number (3632865).

Almost surely, 2^7265729 is an apocalyptic number.

It is an amenable number.

7265729 is a deficient number, since it is larger than the sum of its proper divisors (1).

7265729 is an equidigital number, since it uses as much as digits as its factorization.

7265729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 7265729 is about 2695.5016230750. The cubic root of 7265729 is about 193.6836964942.

The spelling of 7265729 in words is "seven million, two hundred sixty-five thousand, seven hundred twenty-nine".