3704161021 has 8 divisors (see below), whose sum is σ = 4074300288. Its totient is φ = 3367417900.

The previous prime is 3704161007. The next prime is 3704161037. The reversal of 3704161021 is 1201614073.

3704161021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3704161021 - 2⁷ = 3704160893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3704161091) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1390165 + ... + 1392826.

It is an arithmetic number, because the mean of its divisors is an integer number (509287536).

Almost surely, 2^3704161021 is an apocalyptic number.

It is an amenable number.

3704161021 is a deficient number, since it is larger than the sum of its proper divisors (370139267).

3704161021 is an equidigital number, since it uses as much as digits as its factorization.

3704161021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783024 (or 2783002 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 3704161021 is about 60861.8190740303. The cubic root of 3704161021 is about 1547.2599556158.

Adding to 3704161021 its reverse (1201614073), we get a palindrome (4905775094).

The spelling of 3704161021 in words is "three billion, seven hundred four million, one hundred sixty-one thousand, twenty-one".