728359373 has 24 divisors (see below), whose sum is σ = 900019512. Its totient is φ = 585682944.

The previous prime is 728359367. The next prime is 728359391. The reversal of 728359373 is 373953827.

It can be written as a sum of positive squares in 4 ways, for example, as 163916809 + 564442564 = 12803^2 + 23758^2 .

It is not a de Polignac number, because 728359373 - 2⁶ = 728359309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728359343) 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 23 ways as a sum of consecutive naturals, for example, 292811 + ... + 295287.

It is an arithmetic number, because the mean of its divisors is an integer number (37500813).

Almost surely, 2^728359373 is an apocalyptic number.

It is an amenable number.

728359373 is a deficient number, since it is larger than the sum of its proper divisors (171660139).

728359373 is a wasteful number, since it uses less digits than its factorization.

728359373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861 (or 2854 counting only the distinct ones).

The product of its digits is 952560, while the sum is 47.

The square root of 728359373 is about 26988.1339295625. The cubic root of 728359373 is about 899.7362902274.

The spelling of 728359373 in words is "seven hundred twenty-eight million, three hundred fifty-nine thousand, three hundred seventy-three".