728757576 has 96 divisors (see below), whose sum is σ = 2073389760. Its totient is φ = 230795136.

The previous prime is 728757563. The next prime is 728757577. The reversal of 728757576 is 675757827.

It is not an unprimeable number, because it can be changed into a prime (728757577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258591 + ... + 261393.

It is an arithmetic number, because the mean of its divisors is an integer number (21597810).

Almost surely, 2^728757576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728757576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1036694880).

728757576 is an abundant number, since it is smaller than the sum of its proper divisors (1344632184).

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

728757576 is a wasteful number, since it uses less digits than its factorization.

728757576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995 (or 2988 counting only the distinct ones).

The product of its digits is 5762400, while the sum is 54.

The square root of 728757576 is about 26995.5102933803. The cubic root of 728757576 is about 899.9002259765.

The spelling of 728757576 in words is "seven hundred twenty-eight million, seven hundred fifty-seven thousand, five hundred seventy-six".