2734540281 has 24 divisors (see below), whose sum is σ = 4322042400. Its totient is φ = 1652270400.

The previous prime is 2734540199. The next prime is 2734540309. The reversal of 2734540281 is 1820454372.

It is a happy number.

2734540281 is a `hidden beast` number, since 2 + 7 + 34 + 540 + 2 + 81 = 666.

It is not a de Polignac number, because 2734540281 - 2⁷ = 2734540153 is a prime.

It is a super-2 number, since 2×2734540281² = 14955421096823117922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2734542281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8956 + ... + 74493.

It is an arithmetic number, because the mean of its divisors is an integer number (180085100).

Almost surely, 2^2734540281 is an apocalyptic number.

It is an amenable number.

2734540281 is a deficient number, since it is larger than the sum of its proper divisors (1587502119).

2734540281 is a wasteful number, since it uses less digits than its factorization.

2734540281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83797 (or 83794 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2734540281 is about 52292.8320231368. The cubic root of 2734540281 is about 1398.3893519715.

The spelling of 2734540281 in words is "two billion, seven hundred thirty-four million, five hundred forty thousand, two hundred eighty-one".