3682129728 has 28 divisors (see below), whose sum is σ = 9742302080. Its totient is φ = 1227376512.

The previous prime is 3682129679. The next prime is 3682129733. The reversal of 3682129728 is 8279212863.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9588688 + ... + 9589071.

It is an arithmetic number, because the mean of its divisors is an integer number (347939360).

Almost surely, 2^3682129728 is an apocalyptic number.

It is an amenable number.

3682129728 is an abundant number, since it is smaller than the sum of its proper divisors (6060172352).

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

3682129728 is a wasteful number, since it uses less digits than its factorization.

3682129728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19177774 (or 19177764 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 3682129728 is about 60680.5547766333. The cubic root of 3682129728 is about 1544.1863001953.

The spelling of 3682129728 in words is "three billion, six hundred eighty-two million, one hundred twenty-nine thousand, seven hundred twenty-eight".