2678734730 has 32 divisors (see below), whose sum is σ = 5530913280. Its totient is φ = 915027840.

The previous prime is 2678734717. The next prime is 2678734733. The reversal of 2678734730 is 374378762.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2678734733) 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 15 ways as a sum of consecutive naturals, for example, 51635 + ... + 89574.

It is an arithmetic number, because the mean of its divisors is an integer number (172841040).

Almost surely, 2^2678734730 is an apocalyptic number.

2678734730 is an abundant number, since it is smaller than the sum of its proper divisors (2852178550).

2678734730 is a wasteful number, since it uses less digits than its factorization.

2678734730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141494.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The square root of 2678734730 is about 51756.4945683148. The cubic root of 2678734730 is about 1388.8112829337.

The spelling of 2678734730 in words is "two billion, six hundred seventy-eight million, seven hundred thirty-four thousand, seven hundred thirty".