2734234785 has 28 divisors (see below), whose sum is σ = 4919378772. Its totient is φ = 1458256608.

The previous prime is 2734234697. The next prime is 2734234787. The reversal of 2734234785 is 5874324372.

It can be written as a sum of positive squares in 2 ways, for example, as 1188801441 + 1545433344 = 34479^2 + 39312^2 .

It is not a de Polignac number, because 2734234785 - 2²¹ = 2732137633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2734234785.

It is not an unprimeable number, because it can be changed into a prime (2734234787) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 371422 + ... + 378711.

It is an arithmetic number, because the mean of its divisors is an integer number (175692099).

Almost surely, 2^2734234785 is an apocalyptic number.

It is an amenable number.

2734234785 is a deficient number, since it is larger than the sum of its proper divisors (2185143987).

2734234785 is an frugal number, since it uses more digits than its factorization.

2734234785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750156 (or 750141 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 2734234785 is about 52289.9109293562. The cubic root of 2734234785 is about 1398.3372751787.

The spelling of 2734234785 in words is "two billion, seven hundred thirty-four million, two hundred thirty-four thousand, seven hundred eighty-five".