3682781716 has 12 divisors (see below), whose sum is σ = 6473261088. Its totient is φ = 1833278552.

The previous prime is 3682781681. The next prime is 3682781719. The reversal of 3682781716 is 6171872863.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3682781716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3682781719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2027056 + ... + 2028871.

It is an arithmetic number, because the mean of its divisors is an integer number (539438424).

Almost surely, 2^3682781716 is an apocalyptic number.

It is an amenable number.

3682781716 is a deficient number, since it is larger than the sum of its proper divisors (2790479372).

3682781716 is a wasteful number, since it uses less digits than its factorization.

3682781716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056158 (or 4056156 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 3682781716 is about 60685.9268364585. The cubic root of 3682781716 is about 1544.2774369010.

The spelling of 3682781716 in words is "three billion, six hundred eighty-two million, seven hundred eighty-one thousand, seven hundred sixteen".