728504484 has 24 divisors (see below), whose sum is σ = 1773750720. Its totient is φ = 232276704.

The previous prime is 728504473. The next prime is 728504501. The reversal of 728504484 is 484405827.

It is a super-3 number, since 3×728504484³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319479 + ... + 1320030.

It is an arithmetic number, because the mean of its divisors is an integer number (73906280).

Almost surely, 2^728504484 is an apocalyptic number.

It is an amenable number.

728504484 is an abundant number, since it is smaller than the sum of its proper divisors (1045246236).

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

728504484 is a wasteful number, since it uses less digits than its factorization.

728504484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639539 (or 2639537 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 42.

The square root of 728504484 is about 26990.8222179318. The cubic root of 728504484 is about 899.7960377312.

The spelling of 728504484 in words is "seven hundred twenty-eight million, five hundred four thousand, four hundred eighty-four".