728352337 has 4 divisors (see below), whose sum is σ = 731040256. Its totient is φ = 725664420.

The previous prime is 728352329. The next prime is 728352349. The reversal of 728352337 is 733253827.

728352337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 728352337 - 2³ = 728352329 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 728352337.

It is not an unprimeable number, because it can be changed into a prime (728352397) 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, 1343553 + ... + 1344094.

It is an arithmetic number, because the mean of its divisors is an integer number (182760064).

Almost surely, 2^728352337 is an apocalyptic number.

It is an amenable number.

728352337 is a deficient number, since it is larger than the sum of its proper divisors (2687919).

728352337 is a wasteful number, since it uses less digits than its factorization.

728352337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687918.

The product of its digits is 211680, while the sum is 40.

The square root of 728352337 is about 26988.0035756630. The cubic root of 728352337 is about 899.7333930473.

The spelling of 728352337 in words is "seven hundred twenty-eight million, three hundred fifty-two thousand, three hundred thirty-seven".