7282728270 has 24 divisors (see below), whose sum is σ = 18935093736. Its totient is φ = 1942060848.

The previous prime is 7282728263. The next prime is 7282728283. The reversal of 7282728270 is 728272827.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 40459512 + ... + 40459691.

It is an arithmetic number, because the mean of its divisors is an integer number (788962239).

Almost surely, 2^7282728270 is an apocalyptic number.

7282728270 is an abundant number, since it is smaller than the sum of its proper divisors (11652365466).

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

7282728270 is a wasteful number, since it uses less digits than its factorization.

7282728270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80919216 (or 80919213 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 7282728270 is about 85338.9024419696. The cubic root of 7282728270 is about 1938.3462959536.

The spelling of 7282728270 in words is "seven billion, two hundred eighty-two million, seven hundred twenty-eight thousand, two hundred seventy".