728541343 has 2 divisors, whose sum is σ = 728541344. Its totient is φ = 728541342.

The previous prime is 728541271. The next prime is 728541349. The reversal of 728541343 is 343145827.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (343145827) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728541343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728541349) 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, 364270671 + 364270672.

It is an arithmetic number, because the mean of its divisors is an integer number (364270672).

Almost surely, 2^728541343 is an apocalyptic number.

728541343 is a deficient number, since it is larger than the sum of its proper divisors (1).

728541343 is an equidigital number, since it uses as much as digits as its factorization.

728541343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 728541343 is about 26991.5050154674. The cubic root of 728541343 is about 899.8112126654.

The spelling of 728541343 in words is "seven hundred twenty-eight million, five hundred forty-one thousand, three hundred forty-three".