33098729 has 2 divisors, whose sum is σ = 33098730. Its totient is φ = 33098728.

The previous prime is 33098713. The next prime is 33098753. The reversal of 33098729 is 92789033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33085504 + 13225 = 5752^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 33098729 - 2⁴ = 33098713 is a prime.

It is a super-2 number, since 2×33098729² = 2191051722830882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33098929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16549364 + 16549365.

It is an arithmetic number, because the mean of its divisors is an integer number (16549365).

Almost surely, 2^33098729 is an apocalyptic number.

It is an amenable number.

33098729 is a deficient number, since it is larger than the sum of its proper divisors (1).

33098729 is an equidigital number, since it uses as much as digits as its factorization.

33098729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 33098729 is about 5753.1494852820. The cubic root of 33098729 is about 321.0729899399.

The spelling of 33098729 in words is "thirty-three million, ninety-eight thousand, seven hundred twenty-nine".