728029325 has 6 divisors (see below), whose sum is σ = 902756394. Its totient is φ = 582423440.

The previous prime is 728029297. The next prime is 728029331. The reversal of 728029325 is 523920827.

728029325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2157961 + 725871364 = 1469^2 + 26942^2 .

It is not a de Polignac number, because 728029325 - 2¹⁴ = 728012941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14560562 + ... + 14560611.

It is an arithmetic number, because the mean of its divisors is an integer number (150459399).

Almost surely, 2^728029325 is an apocalyptic number.

It is an amenable number.

728029325 is a deficient number, since it is larger than the sum of its proper divisors (174727069).

728029325 is a wasteful number, since it uses less digits than its factorization.

728029325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29121183 (or 29121178 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 728029325 is about 26982.0185493969. The cubic root of 728029325 is about 899.6003678428.

The spelling of 728029325 in words is "seven hundred twenty-eight million, twenty-nine thousand, three hundred twenty-five".