8354729 has 2 divisors, whose sum is σ = 8354730. Its totient is φ = 8354728.

The previous prime is 8354713. The next prime is 8354789. The reversal of 8354729 is 9274538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5396329 + 2958400 = 2323^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 8354729 - 2⁴ = 8354713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8354692 and 8354701.

It is not a weakly prime, because it can be changed into another prime (8354789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4177364 + 4177365.

It is an arithmetic number, because the mean of its divisors is an integer number (4177365).

Almost surely, 2^8354729 is an apocalyptic number.

It is an amenable number.

8354729 is a deficient number, since it is larger than the sum of its proper divisors (1).

8354729 is an equidigital number, since it uses as much as digits as its factorization.

8354729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 8354729 is about 2890.4548085033. The cubic root of 8354729 is about 202.9134285911.

The spelling of 8354729 in words is "eight million, three hundred fifty-four thousand, seven hundred twenty-nine".