2734072891 has 16 divisors (see below), whose sum is σ = 3035455488. Its totient is φ = 2441880000.

The previous prime is 2734072883. The next prime is 2734072903. The reversal of 2734072891 is 1982704372.

It is a cyclic number.

It is not a de Polignac number, because 2734072891 - 2³ = 2734072883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2734072091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134391 + ... + 153391.

It is an arithmetic number, because the mean of its divisors is an integer number (189715968).

Almost surely, 2^2734072891 is an apocalyptic number.

2734072891 is a deficient number, since it is larger than the sum of its proper divisors (301382597).

2734072891 is a wasteful number, since it uses less digits than its factorization.

2734072891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19242.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 2734072891 is about 52288.3628640255. The cubic root of 2734072891 is about 1398.3096761244.

The spelling of 2734072891 in words is "two billion, seven hundred thirty-four million, seventy-two thousand, eight hundred ninety-one".