728001343 has 2 divisors, whose sum is σ = 728001344. Its totient is φ = 728001342.

The previous prime is 728001341. The next prime is 728001347. The reversal of 728001343 is 343100827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 728001343 - 2¹ = 728001341 is a prime.

Together with 728001341, it forms a pair of twin primes.

It is the 26982-nd Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728001341) by changing a digit.

It is a nontrivial repunit in base 26981.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364000671 + 364000672.

It is an arithmetic number, because the mean of its divisors is an integer number (364000672).

Almost surely, 2^728001343 is an apocalyptic number.

728001343 is a deficient number, since it is larger than the sum of its proper divisors (1).

728001343 is an equidigital number, since it uses as much as digits as its factorization.

728001343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 728001343 is about 26981.5000138984. The cubic root of 728001343 is about 899.5888422356.

The spelling of 728001343 in words is "seven hundred twenty-eight million, one thousand, three hundred forty-three".