4268729 has 2 divisors, whose sum is σ = 4268730. Its totient is φ = 4268728.

The previous prime is 4268699. The next prime is 4268743. The reversal of 4268729 is 9278624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4108729 + 160000 = 2027^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 4268729 - 2¹² = 4264633 is a prime.

It is a super-3 number, since 3×4268729³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4268692 and 4268701.

It is not a weakly prime, because it can be changed into another prime (4268029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2134364 + 2134365.

It is an arithmetic number, because the mean of its divisors is an integer number (2134365).

Almost surely, 2^4268729 is an apocalyptic number.

It is an amenable number.

4268729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4268729 is an equidigital number, since it uses as much as digits as its factorization.

4268729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 4268729 is about 2066.0902690831. The cubic root of 4268729 is about 162.2181813558.

The spelling of 4268729 in words is "four million, two hundred sixty-eight thousand, seven hundred twenty-nine".