34728269 has 2 divisors, whose sum is σ = 34728270. Its totient is φ = 34728268.

The previous prime is 34728259. The next prime is 34728293. The reversal of 34728269 is 96282743.

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., 31787044 + 2941225 = 5638^2 + 1715^2 .

It is a cyclic number.

It is not a de Polignac number, because 34728269 - 2²⁰ = 33679693 is a prime.

It is a super-2 number, since 2×34728269² = 2412105335472722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34728209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17364134 + 17364135.

It is an arithmetic number, because the mean of its divisors is an integer number (17364135).

Almost surely, 2^34728269 is an apocalyptic number.

It is an amenable number.

34728269 is a deficient number, since it is larger than the sum of its proper divisors (1).

34728269 is an equidigital number, since it uses as much as digits as its factorization.

34728269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 34728269 is about 5893.0695736602. The cubic root of 34728269 is about 326.2579068659.

The spelling of 34728269 in words is "thirty-four million, seven hundred twenty-eight thousand, two hundred sixty-nine".