274728029 has 2 divisors, whose sum is σ = 274728030. Its totient is φ = 274728028.

The previous prime is 274728023. The next prime is 274728053. The reversal of 274728029 is 920827472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272184004 + 2544025 = 16498^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 274728029 - 2²⁰ = 273679453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274728023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137364014 + 137364015.

It is an arithmetic number, because the mean of its divisors is an integer number (137364015).

Almost surely, 2^274728029 is an apocalyptic number.

It is an amenable number.

274728029 is a deficient number, since it is larger than the sum of its proper divisors (1).

274728029 is an equidigital number, since it uses as much as digits as its factorization.

274728029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 274728029 is about 16574.9216891061. The cubic root of 274728029 is about 650.0812750442.

The spelling of 274728029 in words is "two hundred seventy-four million, seven hundred twenty-eight thousand, twenty-nine".