1672442341 has 4 divisors (see below), whose sum is σ = 1677180492. Its totient is φ = 1667704192.

The previous prime is 1672442333. The next prime is 1672442347. The reversal of 1672442341 is 1432442761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1432442761 = 31 ⋅46207831.

It can be written as a sum of positive squares in 2 ways, for example, as 652598116 + 1019844225 = 25546^2 + 31935^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672442341 - 2³ = 1672442333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1672442297 and 1672442306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672442347) 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, 2368546 + ... + 2369251.

It is an arithmetic number, because the mean of its divisors is an integer number (419295123).

Almost surely, 2^1672442341 is an apocalyptic number.

It is an amenable number.

1672442341 is a deficient number, since it is larger than the sum of its proper divisors (4738151).

1672442341 is an equidigital number, since it uses as much as digits as its factorization.

1672442341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738150.

The product of its digits is 32256, while the sum is 34.

The square root of 1672442341 is about 40895.5051442087. The cubic root of 1672442341 is about 1186.9990863289. Note that the first 3 decimals are identical.

The spelling of 1672442341 in words is "one billion, six hundred seventy-two million, four hundred forty-two thousand, three hundred forty-one".