4272769 has 2 divisors, whose sum is σ = 4272770. Its totient is φ = 4272768.

The previous prime is 4272767. The next prime is 4272799. The reversal of 4272769 is 9672724.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 831744 = 1855^2 + 912^2 .

It is a cyclic number.

It is not a de Polignac number, because 4272769 - 2¹ = 4272767 is a prime.

It is a super-2 number, since 2×4272769² = 36513109854722, which contains 22 as substring.

Together with 4272767, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4¹¹ + 2 + 7³ + 2¹¹ + 7⁵ + 6³ + 9⁵ .

It is not a weakly prime, because it can be changed into another prime (4272767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136384 + 2136385.

It is an arithmetic number, because the mean of its divisors is an integer number (2136385).

Almost surely, 2^4272769 is an apocalyptic number.

It is an amenable number.

4272769 is a deficient number, since it is larger than the sum of its proper divisors (1).

4272769 is an equidigital number, since it uses as much as digits as its factorization.

4272769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 4272769 is about 2067.0677299015. The cubic root of 4272769 is about 162.2693405973.

It can be divided in two parts, 4272 and 769, that added together give a square (5041 = 71²).

The spelling of 4272769 in words is "four million, two hundred seventy-two thousand, seven hundred sixty-nine".