3681522705 has 32 divisors (see below), whose sum is σ = 6747208704. Its totient is φ = 1679161536.

The previous prime is 3681522683. The next prime is 3681522731. The reversal of 3681522705 is 5072251863.

It is not a de Polignac number, because 3681522705 - 2¹² = 3681518609 is a prime.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 6942 + ... + 86088.

It is an arithmetic number, because the mean of its divisors is an integer number (210850272).

Almost surely, 2^3681522705 is an apocalyptic number.

3681522705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3681522705 is a deficient number, since it is larger than the sum of its proper divisors (3065685999).

3681522705 is a wasteful number, since it uses less digits than its factorization.

3681522705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79605.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 3681522705 is about 60675.5527786933. The cubic root of 3681522705 is about 1544.1014391516.

The spelling of 3681522705 in words is "three billion, six hundred eighty-one million, five hundred twenty-two thousand, seven hundred five".