3781534782 has 16 divisors (see below), whose sum is σ = 7571904912. Its totient is φ = 1259039040.

The previous prime is 3781534769. The next prime is 3781534817. The reversal of 3781534782 is 2874351873.

3781534782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 362569 + ... + 372852.

It is an arithmetic number, because the mean of its divisors is an integer number (473244057).

Almost surely, 2^3781534782 is an apocalyptic number.

3781534782 is an abundant number, since it is smaller than the sum of its proper divisors (3790370130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3781534782 is a wasteful number, since it uses less digits than its factorization.

3781534782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736283.

The product of its digits is 1128960, while the sum is 48.

The square root of 3781534782 is about 61494.1849445946. The cubic root of 3781534782 is about 1557.9590312997.

The spelling of 3781534782 in words is "three billion, seven hundred eighty-one million, five hundred thirty-four thousand, seven hundred eighty-two".