9448729 has 2 divisors, whose sum is σ = 9448730. Its totient is φ = 9448728.

The previous prime is 9448723. The next prime is 9448759. The reversal of 9448729 is 9278449.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9120400 + 328329 = 3020^2 + 573^2 .

It is a cyclic number.

It is not a de Polignac number, because 9448729 - 2⁹ = 9448217 is a prime.

It is not a weakly prime, because it can be changed into another prime (9448723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4724364 + 4724365.

It is an arithmetic number, because the mean of its divisors is an integer number (4724365).

Almost surely, 2^9448729 is an apocalyptic number.

It is an amenable number.

9448729 is a deficient number, since it is larger than the sum of its proper divisors (1).

9448729 is an equidigital number, since it uses as much as digits as its factorization.

9448729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 9448729 is about 3073.8784946709. The cubic root of 9448729 is about 211.4094831066.

The spelling of 9448729 in words is "nine million, four hundred forty-eight thousand, seven hundred twenty-nine".