8758728 has 48 divisors (see below), whose sum is σ = 25880400. Its totient is φ = 2653920.

The previous prime is 8758721. The next prime is 8758733. The reversal of 8758728 is 8278578.

It is a happy number.

It is a super-3 number, since 3×8758728³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8758721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4738 + ... + 6321.

It is an arithmetic number, because the mean of its divisors is an integer number (539175).

Almost surely, 2^8758728 is an apocalyptic number.

8758728 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8758728 is an abundant number, since it is smaller than the sum of its proper divisors (17121672).

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

8758728 is a wasteful number, since it uses less digits than its factorization.

8758728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11082 (or 11075 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The square root of 8758728 is about 2959.5148251022. The cubic root of 8758728 is about 206.1327576089.

The spelling of 8758728 in words is "eight million, seven hundred fifty-eight thousand, seven hundred twenty-eight".