3687834305 has 4 divisors (see below), whose sum is σ = 4425401172. Its totient is φ = 2950267440.

The previous prime is 3687834281. The next prime is 3687834323. The reversal of 3687834305 is 5034387863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 784672144 + 2903162161 = 28012^2 + 53881^2 .

It is not a de Polignac number, because 3687834305 - 2⁸ = 3687834049 is a prime.

It is a super-2 number, since 2×3687834305² = 27200243722269666050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3687834305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368783426 + ... + 368783435.

It is an arithmetic number, because the mean of its divisors is an integer number (1106350293).

Almost surely, 2^3687834305 is an apocalyptic number.

It is an amenable number.

3687834305 is a deficient number, since it is larger than the sum of its proper divisors (737566867).

3687834305 is an equidigital number, since it uses as much as digits as its factorization.

3687834305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737566866.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The square root of 3687834305 is about 60727.5415688796. The cubic root of 3687834305 is about 1544.9833375175.

The spelling of 3687834305 in words is "three billion, six hundred eighty-seven million, eight hundred thirty-four thousand, three hundred five".