3673221373 has 4 divisors (see below), whose sum is σ = 3723539548. Its totient is φ = 3622903200.

The previous prime is 3673221359. The next prime is 3673221407. The reversal of 3673221373 is 3731223763.

3673221373 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2292207129 + 1381014244 = 47877^2 + 37162^2 .

It is a cyclic number.

It is not a de Polignac number, because 3673221373 - 2²¹ = 3671124221 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 (3673221313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25158978 + ... + 25159123.

It is an arithmetic number, because the mean of its divisors is an integer number (930884887).

Almost surely, 2^3673221373 is an apocalyptic number.

It is an amenable number.

3673221373 is a deficient number, since it is larger than the sum of its proper divisors (50318175).

3673221373 is an equidigital number, since it uses as much as digits as its factorization.

3673221373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50318174.

The product of its digits is 95256, while the sum is 37.

The square root of 3673221373 is about 60607.1066212536. The cubic root of 3673221373 is about 1542.9399863002.

The spelling of 3673221373 in words is "three billion, six hundred seventy-three million, two hundred twenty-one thousand, three hundred seventy-three".