728148590 has 64 divisors (see below), whose sum is σ = 1573266240. Its totient is φ = 239708160.

The previous prime is 728148583. The next prime is 728148599. The reversal of 728148590 is 95841827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728148599) 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 31 ways as a sum of consecutive naturals, for example, 33320 + ... + 50660.

It is an arithmetic number, because the mean of its divisors is an integer number (24582285).

Almost surely, 2^728148590 is an apocalyptic number.

728148590 is an abundant number, since it is smaller than the sum of its proper divisors (845117650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728148590 is a wasteful number, since it uses less digits than its factorization.

728148590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17397.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 728148590 is about 26984.2285418724. The cubic root of 728148590 is about 899.6494890233.

The spelling of 728148590 in words is "seven hundred twenty-eight million, one hundred forty-eight thousand, five hundred ninety".