3686722810 has 16 divisors (see below), whose sum is σ = 6659722152. Its totient is φ = 1469440000.

The previous prime is 3686722807. The next prime is 3686722841. The reversal of 3686722810 is 182276863.

It can be written as a sum of positive squares in 4 ways, for example, as 3142387249 + 544335561 = 56057^2 + 23331^2 .

It is a super-2 number, since 2×3686722810² = 27183850155548592200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653191 + ... + 658810.

Almost surely, 2^3686722810 is an apocalyptic number.

3686722810 is a deficient number, since it is larger than the sum of its proper divisors (2972999342).

3686722810 is a wasteful number, since it uses less digits than its factorization.

3686722810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312289.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 3686722810 is about 60718.3893890475. The cubic root of 3686722810 is about 1544.8281051449.

The spelling of 3686722810 in words is "three billion, six hundred eighty-six million, seven hundred twenty-two thousand, eight hundred ten".