274342345729 has 3 divisors (see below), whose sum is σ = 274342869507. Its totient is φ = 274341821952.

The previous prime is 274342345727. The next prime is 274342345747. The reversal of 274342345729 is 927543243472.

The square root of 274342345729 is 523777.

It is a perfect power (a square), and thus also a powerful number.

274342345729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 88795060225 + 185547285504 = 297985^2 + 430752^2 .

It is not a de Polignac number, because 274342345729 - 2¹ = 274342345727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274342345721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 261889 + ... + 785665.

It is an arithmetic number, because the mean of its divisors is an integer number (91447623169).

Almost surely, 2^274342345729 is an apocalyptic number.

274342345729 is the 523777-th square number.

274342345729 is the 261889-th centered octagonal number.

It is an amenable number.

274342345729 is a deficient number, since it is larger than the sum of its proper divisors (523778).

274342345729 is an frugal number, since it uses more digits than its factorization.

274342345729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047554 (or 523777 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 52.

The spelling of 274342345729 in words is "two hundred seventy-four billion, three hundred forty-two million, three hundred forty-five thousand, seven hundred twenty-nine".