728069453 has 2 divisors, whose sum is σ = 728069454. Its totient is φ = 728069452.

The previous prime is 728069411. The next prime is 728069473. The reversal of 728069453 is 354960827.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 718936969 + 9132484 = 26813^2 + 3022^2 .

It is a cyclic number.

It is not a de Polignac number, because 728069453 - 2¹⁶ = 728003917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728069473) 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, 364034726 + 364034727.

It is an arithmetic number, because the mean of its divisors is an integer number (364034727).

Almost surely, 2^728069453 is an apocalyptic number.

It is an amenable number.

728069453 is a deficient number, since it is larger than the sum of its proper divisors (1).

728069453 is an equidigital number, since it uses as much as digits as its factorization.

728069453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 728069453 is about 26982.7621454884. The cubic root of 728069453 is about 899.6168957944.

The spelling of 728069453 in words is "seven hundred twenty-eight million, sixty-nine thousand, four hundred fifty-three".