2781724274 has 16 divisors (see below), whose sum is σ = 4783913088. Its totient is φ = 1188356832.

The previous prime is 2781724217. The next prime is 2781724303. The reversal of 2781724274 is 4724271872.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 313022 + ... + 321785.

It is an arithmetic number, because the mean of its divisors is an integer number (298994568).

Almost surely, 2^2781724274 is an apocalyptic number.

2781724274 is a deficient number, since it is larger than the sum of its proper divisors (2002188814).

2781724274 is a wasteful number, since it uses less digits than its factorization.

2781724274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635129.

The product of its digits is 351232, while the sum is 44.

The square root of 2781724274 is about 52742.0541314045. The cubic root of 2781724274 is about 1406.3865145786.

The spelling of 2781724274 in words is "two billion, seven hundred eighty-one million, seven hundred twenty-four thousand, two hundred seventy-four".