728433341 has 4 divisors (see below), whose sum is σ = 729588384. Its totient is φ = 727278300.

The previous prime is 728433301. The next prime is 728433353. The reversal of 728433341 is 143334827.

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, and also an emirpimes, since its reverse is a distinct semiprime: 143334827 = 23 ⋅6231949.

It is a cyclic number.

It is not a de Polignac number, because 728433341 - 2²² = 724239037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728433301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576575 + ... + 577836.

It is an arithmetic number, because the mean of its divisors is an integer number (182397096).

Almost surely, 2^728433341 is an apocalyptic number.

It is an amenable number.

728433341 is a deficient number, since it is larger than the sum of its proper divisors (1155043).

728433341 is a wasteful number, since it uses less digits than its factorization.

728433341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155042.

The product of its digits is 48384, while the sum is 35.

The square root of 728433341 is about 26989.5042748102. The cubic root of 728433341 is about 899.7667465487.

The spelling of 728433341 in words is "seven hundred twenty-eight million, four hundred thirty-three thousand, three hundred forty-one".