7234729 has 2 divisors, whose sum is σ = 7234730. Its totient is φ = 7234728.

The previous prime is 7234723. The next prime is 7234739. The reversal of 7234729 is 9274327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5198400 + 2036329 = 2280^2 + 1427^2 .

It is an emirp because it is prime and its reverse (9274327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7234729 - 2¹⁹ = 6710441 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 7234694 and 7234703.

It is not a weakly prime, because it can be changed into another prime (7234723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3617364 + 3617365.

It is an arithmetic number, because the mean of its divisors is an integer number (3617365).

Almost surely, 2^7234729 is an apocalyptic number.

It is an amenable number.

7234729 is a deficient number, since it is larger than the sum of its proper divisors (1).

7234729 is an equidigital number, since it uses as much as digits as its factorization.

7234729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 7234729 is about 2689.7451552145. The cubic root of 7234729 is about 193.4078464927.

The spelling of 7234729 in words is "seven million, two hundred thirty-four thousand, seven hundred twenty-nine".