564752728 has 16 divisors (see below), whose sum is σ = 1095426000. Its totient is φ = 272639136.

The previous prime is 564752717. The next prime is 564752743. The reversal of 564752728 is 827257465.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1216908 + ... + 1217371.

It is an arithmetic number, because the mean of its divisors is an integer number (68464125).

Almost surely, 2^564752728 is an apocalyptic number.

564752728 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

564752728 is a deficient number, since it is larger than the sum of its proper divisors (530673272).

564752728 is a wasteful number, since it uses less digits than its factorization.

564752728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434314 (or 2434310 counting only the distinct ones).

The product of its digits is 940800, while the sum is 46.

The square root of 564752728 is about 23764.5266731740. The cubic root of 564752728 is about 826.5823212881.

The spelling of 564752728 in words is "five hundred sixty-four million, seven hundred fifty-two thousand, seven hundred twenty-eight".