7282728250 has 32 divisors (see below), whose sum is σ = 15580880640. Its totient is φ = 2496934800.

The previous prime is 7282728143. The next prime is 7282728263. The reversal of 7282728250 is 528272827.

It is a junction number, because it is equal to n+sod(n) for n = 7282728197 and 7282728206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079030 + ... + 2082529.

It is an arithmetic number, because the mean of its divisors is an integer number (486902520).

Almost surely, 2^7282728250 is an apocalyptic number.

7282728250 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7282728250 is an abundant number, since it is smaller than the sum of its proper divisors (8298152390).

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

7282728250 is a wasteful number, since it uses less digits than its factorization.

7282728250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161583 (or 4161573 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 7282728250 is about 85338.9023247897. The cubic root of 7282728250 is about 1938.3462941792.

The spelling of 7282728250 in words is "seven billion, two hundred eighty-two million, seven hundred twenty-eight thousand, two hundred fifty".