728373353 has 2 divisors, whose sum is σ = 728373354. Its totient is φ = 728373352.

The previous prime is 728373337. The next prime is 728373403. The reversal of 728373353 is 353373827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 637209049 + 91164304 = 25243^2 + 9548^2 .

It is a cyclic number.

It is not a de Polignac number, because 728373353 - 2⁴ = 728373337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 728373353.

It is not a weakly prime, because it can be changed into another prime (728373553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364186676 + 364186677.

It is an arithmetic number, because the mean of its divisors is an integer number (364186677).

Almost surely, 2^728373353 is an apocalyptic number.

It is an amenable number.

728373353 is a deficient number, since it is larger than the sum of its proper divisors (1).

728373353 is an equidigital number, since it uses as much as digits as its factorization.

728373353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 41.

The square root of 728373353 is about 26988.3929310361. The cubic root of 728373353 is about 899.7420466499.

The spelling of 728373353 in words is "seven hundred twenty-eight million, three hundred seventy-three thousand, three hundred fifty-three".