84314729 has 2 divisors, whose sum is σ = 84314730. Its totient is φ = 84314728.

The previous prime is 84314719. The next prime is 84314753. The reversal of 84314729 is 92741348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52954729 + 31360000 = 7277^2 + 5600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84314729 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 = 84314692 and 84314701.

It is not a weakly prime, because it can be changed into another prime (84314719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42157364 + 42157365.

It is an arithmetic number, because the mean of its divisors is an integer number (42157365).

Almost surely, 2^84314729 is an apocalyptic number.

It is an amenable number.

84314729 is a deficient number, since it is larger than the sum of its proper divisors (1).

84314729 is an equidigital number, since it uses as much as digits as its factorization.

84314729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 84314729 is about 9182.3052116557. The cubic root of 84314729 is about 438.4982012046.

The spelling of 84314729 in words is "eighty-four million, three hundred fourteen thousand, seven hundred twenty-nine".