728580252 has 24 divisors (see below), whose sum is σ = 1710205056. Its totient is φ = 241405168.

The previous prime is 728580239. The next prime is 728580263. The reversal of 728580252 is 252085827.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 728580252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179778 + ... + 183785.

It is an arithmetic number, because the mean of its divisors is an integer number (71258544).

Almost surely, 2^728580252 is an apocalyptic number.

It is an amenable number.

728580252 is an abundant number, since it is smaller than the sum of its proper divisors (981624804).

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

728580252 is a wasteful number, since it uses less digits than its factorization.

728580252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363737 (or 363735 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 728580252 is about 26992.2257696545. The cubic root of 728580252 is about 899.8272310340.

The spelling of 728580252 in words is "seven hundred twenty-eight million, five hundred eighty thousand, two hundred fifty-two".