4272943 has 2 divisors, whose sum is σ = 4272944. Its totient is φ = 4272942.

The previous prime is 4272941. The next prime is 4272949. The reversal of 4272943 is 3492724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4272943 - 2¹ = 4272941 is a prime.

Together with 4272941, it forms a pair of twin primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 2 + 7⁵ + 2¹¹ + 9³ + 4¹¹ + 3¹⁰ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4272941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136471 + 2136472.

It is an arithmetic number, because the mean of its divisors is an integer number (2136472).

Almost surely, 2^4272943 is an apocalyptic number.

4272943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4272943 is an equidigital number, since it uses as much as digits as its factorization.

4272943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 4272943 is about 2067.1098180793. The cubic root of 4272943 is about 162.2715432658.

The spelling of 4272943 in words is "four million, two hundred seventy-two thousand, nine hundred forty-three".