728051880 has 64 divisors (see below), whose sum is σ = 2299118400. Its totient is φ = 183928320.

The previous prime is 728051869. The next prime is 728051903. The reversal of 728051880 is 88150827.

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 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 15 ways as a sum of consecutive naturals, for example, 157381 + ... + 161940.

It is an arithmetic number, because the mean of its divisors is an integer number (35923725).

Almost surely, 2^728051880 is an apocalyptic number.

It is an amenable number.

728051880 is an abundant number, since it is smaller than the sum of its proper divisors (1571066520).

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

728051880 is a wasteful number, since it uses less digits than its factorization.

728051880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319354 (or 319350 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 728051880 is about 26982.4365097002. The cubic root of 728051880 is about 899.6096578883.

The spelling of 728051880 in words is "seven hundred twenty-eight million, fifty-one thousand, eight hundred eighty".