1672647343 has 2 divisors, whose sum is σ = 1672647344. Its totient is φ = 1672647342.

The previous prime is 1672647341. The next prime is 1672647359. The reversal of 1672647343 is 3437462761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1672647343 - 2¹ = 1672647341 is a prime.

Together with 1672647341, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1672647343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1672647341) 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 as a sum of consecutive naturals, namely, 836323671 + 836323672.

It is an arithmetic number, because the mean of its divisors is an integer number (836323672).

Almost surely, 2^1672647343 is an apocalyptic number.

1672647343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672647343 is an equidigital number, since it uses as much as digits as its factorization.

1672647343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 43.

The square root of 1672647343 is about 40898.0114797774. The cubic root of 1672647343 is about 1187.0475837148.

The spelling of 1672647343 in words is "one billion, six hundred seventy-two million, six hundred forty-seven thousand, three hundred forty-three".