84034729 has 2 divisors, whose sum is σ = 84034730. Its totient is φ = 84034728.

The previous prime is 84034711. The next prime is 84034747. The reversal of 84034729 is 92743048.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (84034711) and next prime (84034747).

It can be written as a sum of positive squares in only one way, i.e., 83759104 + 275625 = 9152^2 + 525^2 .

It is a cyclic number.

It is not a de Polignac number, because 84034729 - 2⁹ = 84034217 is a prime.

It is not a weakly prime, because it can be changed into another prime (84034129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42017364 + 42017365.

It is an arithmetic number, because the mean of its divisors is an integer number (42017365).

Almost surely, 2^84034729 is an apocalyptic number.

It is an amenable number.

84034729 is a deficient number, since it is larger than the sum of its proper divisors (1).

84034729 is an equidigital number, since it uses as much as digits as its factorization.

84034729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 84034729 is about 9167.0458164013. The cubic root of 84034729 is about 438.0122613555.

The spelling of 84034729 in words is "eighty-four million, thirty-four thousand, seven hundred twenty-nine".