728925288 has 64 divisors (see below), whose sum is σ = 2242853760. Its totient is φ = 192243456.

The previous prime is 728925283. The next prime is 728925311. The reversal of 728925288 is 882529827.

It is a self number, because there is not a number n which added to its sum of digits gives 728925288.

It is not an unprimeable number, because it can be changed into a prime (728925283) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 164695 + ... + 169062.

It is an arithmetic number, because the mean of its divisors is an integer number (35044590).

Almost surely, 2^728925288 is an apocalyptic number.

728925288 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

728925288 is an abundant number, since it is smaller than the sum of its proper divisors (1513928472).

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

728925288 is a wasteful number, since it uses less digits than its factorization.

728925288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333786 (or 333782 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The square root of 728925288 is about 26998.6164089940. The cubic root of 728925288 is about 899.9692532706.

The spelling of 728925288 in words is "seven hundred twenty-eight million, nine hundred twenty-five thousand, two hundred eighty-eight".