3683781274 has 16 divisors (see below), whose sum is σ = 5717134080. Its totient is φ = 1778345280.

The previous prime is 3683781263. The next prime is 3683781349. The reversal of 3683781274 is 4721873863.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41764 + ... + 95455.

It is an arithmetic number, because the mean of its divisors is an integer number (357320880).

Almost surely, 2^3683781274 is an apocalyptic number.

3683781274 is a deficient number, since it is larger than the sum of its proper divisors (2033352806).

3683781274 is a wasteful number, since it uses less digits than its factorization.

3683781274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137685.

The product of its digits is 1354752, while the sum is 49.

The square root of 3683781274 is about 60694.1617785434. The cubic root of 3683781274 is about 1544.4171370294.

The spelling of 3683781274 in words is "three billion, six hundred eighty-three million, seven hundred eighty-one thousand, two hundred seventy-four".