6344729 has 2 divisors, whose sum is σ = 6344730. Its totient is φ = 6344728.

The previous prime is 6344687. The next prime is 6344747. The reversal of 6344729 is 9274436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5290000 + 1054729 = 2300^2 + 1027^2 .

It is a cyclic number.

It is not a de Polignac number, because 6344729 - 2⁸ = 6344473 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6⁶ + 3 + 4 + 4¹¹ + 7² + 2²¹ + 9⁴ .

It is not a weakly prime, because it can be changed into another prime (6344759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3172364 + 3172365.

It is an arithmetic number, because the mean of its divisors is an integer number (3172365).

Almost surely, 2^6344729 is an apocalyptic number.

It is an amenable number.

6344729 is a deficient number, since it is larger than the sum of its proper divisors (1).

6344729 is an equidigital number, since it uses as much as digits as its factorization.

6344729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 6344729 is about 2518.8745502704. The cubic root of 6344729 is about 185.1275380601.

The spelling of 6344729 in words is "six million, three hundred forty-four thousand, seven hundred twenty-nine".