728455341 has 4 divisors (see below), whose sum is σ = 971273792. Its totient is φ = 485636892.

The previous prime is 728455331. The next prime is 728455367. The reversal of 728455341 is 143554827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 728455341 - 2⁷ = 728455213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 728455341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728455331) 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 in 3 ways as a sum of consecutive naturals, for example, 121409221 + ... + 121409226.

It is an arithmetic number, because the mean of its divisors is an integer number (242818448).

Almost surely, 2^728455341 is an apocalyptic number.

It is an amenable number.

728455341 is a deficient number, since it is larger than the sum of its proper divisors (242818451).

728455341 is a wasteful number, since it uses less digits than its factorization.

728455341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242818450.

The product of its digits is 134400, while the sum is 39.

The square root of 728455341 is about 26989.9118375737. The cubic root of 728455341 is about 899.7758046501.

The spelling of 728455341 in words is "seven hundred twenty-eight million, four hundred fifty-five thousand, three hundred forty-one".