3673804081 has 4 divisors (see below), whose sum is σ = 3684211812. Its totient is φ = 3663396352.

The previous prime is 3673804067. The next prime is 3673804087. The reversal of 3673804081 is 1804083763.

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 2405019681 + 1268784400 = 49041^2 + 35620^2 .

It is a cyclic number.

It is not a de Polignac number, because 3673804081 - 2¹³ = 3673795889 is a prime.

It is a super-2 number, since 2×3673804081² = 26993672851144509122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3673804087) by changing a digit.

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, 5203336 + ... + 5204041.

It is an arithmetic number, because the mean of its divisors is an integer number (921052953).

Almost surely, 2^3673804081 is an apocalyptic number.

It is an amenable number.

3673804081 is a deficient number, since it is larger than the sum of its proper divisors (10407731).

3673804081 is a wasteful number, since it uses less digits than its factorization.

3673804081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10407730.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 3673804081 is about 60611.9136886471. The cubic root of 3673804081 is about 1543.0215709951.

The spelling of 3673804081 in words is "three billion, six hundred seventy-three million, eight hundred four thousand, eighty-one".