728260752 has 20 divisors (see below), whose sum is σ = 1881340400. Its totient is φ = 242753568.

The previous prime is 728260717. The next prime is 728260763. The reversal of 728260752 is 257062827.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 728260752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7586002 + ... + 7586097.

It is an arithmetic number, because the mean of its divisors is an integer number (94067020).

Almost surely, 2^728260752 is an apocalyptic number.

It is an amenable number.

728260752 is an abundant number, since it is smaller than the sum of its proper divisors (1153079648).

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

728260752 is a wasteful number, since it uses less digits than its factorization.

728260752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15172110 (or 15172104 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 728260752 is about 26986.3067499056. The cubic root of 728260752 is about 899.6956798268.

The spelling of 728260752 in words is "seven hundred twenty-eight million, two hundred sixty thousand, seven hundred fifty-two".