83324729 has 2 divisors, whose sum is σ = 83324730. Its totient is φ = 83324728.

The previous prime is 83324713. The next prime is 83324753. The reversal of 83324729 is 92742338.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80066704 + 3258025 = 8948^2 + 1805^2 .

It is a cyclic number.

It is not a de Polignac number, because 83324729 - 2⁴ = 83324713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83324692 and 83324701.

It is not a weakly prime, because it can be changed into another prime (83324029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41662364 + 41662365.

It is an arithmetic number, because the mean of its divisors is an integer number (41662365).

Almost surely, 2^83324729 is an apocalyptic number.

It is an amenable number.

83324729 is a deficient number, since it is larger than the sum of its proper divisors (1).

83324729 is an equidigital number, since it uses as much as digits as its factorization.

83324729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 83324729 is about 9128.2380008411. The cubic root of 83324729 is about 436.7751986957.

The spelling of 83324729 in words is "eighty-three million, three hundred twenty-four thousand, seven hundred twenty-nine".