84382729 has 2 divisors, whose sum is σ = 84382730. Its totient is φ = 84382728.

The previous prime is 84382717. The next prime is 84382741. The reversal of 84382729 is 92728348.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (84382717) and next prime (84382741).

It can be written as a sum of positive squares in only one way, i.e., 49843600 + 34539129 = 7060^2 + 5877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84382729 is a prime.

It is not a weakly prime, because it can be changed into another prime (84382709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42191364 + 42191365.

It is an arithmetic number, because the mean of its divisors is an integer number (42191365).

Almost surely, 2^84382729 is an apocalyptic number.

It is an amenable number.

84382729 is a deficient number, since it is larger than the sum of its proper divisors (1).

84382729 is an equidigital number, since it uses as much as digits as its factorization.

84382729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 84382729 is about 9186.0072392743. The cubic root of 84382729 is about 438.6160527575.

The spelling of 84382729 in words is "eighty-four million, three hundred eighty-two thousand, seven hundred twenty-nine".