3723666205 has 8 divisors (see below), whose sum is σ = 5106742272. Its totient is φ = 2553371088.

The previous prime is 3723666143. The next prime is 3723666229. The reversal of 3723666205 is 5026663273.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3723666205 - 2¹⁷ = 3723535133 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 53195197 + ... + 53195266.

It is an arithmetic number, because the mean of its divisors is an integer number (638342784).

Almost surely, 2^3723666205 is an apocalyptic number.

3723666205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3723666205 is a deficient number, since it is larger than the sum of its proper divisors (1383076067).

3723666205 is a wasteful number, since it uses less digits than its factorization.

3723666205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106390475.

The product of its (nonzero) digits is 272160, while the sum is 40.

The square root of 3723666205 is about 61021.8502259641. The cubic root of 3723666205 is about 1549.9710303292.

The spelling of 3723666205 in words is "three billion, seven hundred twenty-three million, six hundred sixty-six thousand, two hundred five".