734045281 has 2 divisors, whose sum is σ = 734045282. Its totient is φ = 734045280.

The previous prime is 734045267. The next prime is 734045339. The reversal of 734045281 is 182540437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444535056 + 289510225 = 21084^2 + 17015^2 .

It is an emirp because it is prime and its reverse (182540437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 734045281 - 2⁷ = 734045153 is a prime.

It is a super-2 number, since 2×734045281² = 1077644949116737922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (734045231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367022640 + 367022641.

It is an arithmetic number, because the mean of its divisors is an integer number (367022641).

Almost surely, 2^734045281 is an apocalyptic number.

It is an amenable number.

734045281 is a deficient number, since it is larger than the sum of its proper divisors (1).

734045281 is an equidigital number, since it uses as much as digits as its factorization.

734045281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 734045281 is about 27093.2700315041. The cubic root of 734045281 is about 902.0714758757.

The spelling of 734045281 in words is "seven hundred thirty-four million, forty-five thousand, two hundred eighty-one".