7285728716 has 12 divisors (see below), whose sum is σ = 14571457488. Its totient is φ = 3122455152.

The previous prime is 7285728707. The next prime is 7285728763. The reversal of 7285728716 is 6178275827.

7285728716 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130102271 + ... + 130102326.

It is an arithmetic number, because the mean of its divisors is an integer number (1214288124).

Almost surely, 2^7285728716 is an apocalyptic number.

It is an amenable number.

7285728716 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7285728716 is a wasteful number, since it uses less digits than its factorization.

7285728716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260204608 (or 260204606 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 53.

The square root of 7285728716 is about 85356.4802226521. The cubic root of 7285728716 is about 1938.6124555873.

The spelling of 7285728716 in words is "seven billion, two hundred eighty-five million, seven hundred twenty-eight thousand, seven hundred sixteen".