7250816709 has 16 divisors (see below), whose sum is σ = 10893248640. Its totient is φ = 4765793760.

The previous prime is 7250816701. The next prime is 7250816717. The reversal of 7250816709 is 9076180527.

7250816709 is a `hidden beast` number, since 72 + 508 + 1 + 6 + 70 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (7250816701) and next prime (7250816717).

It is not a de Polignac number, because 7250816709 - 2³ = 7250816701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7250816701) by changing a digit.

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, 1889272 + ... + 1893105.

It is an arithmetic number, because the mean of its divisors is an integer number (680828040).

Almost surely, 2^7250816709 is an apocalyptic number.

It is an amenable number.

7250816709 is a deficient number, since it is larger than the sum of its proper divisors (3642431931).

7250816709 is a wasteful number, since it uses less digits than its factorization.

7250816709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782457 (or 3782451 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 7250816709 is about 85151.7275749588. The cubic root of 7250816709 is about 1935.5109929826.

The spelling of 7250816709 in words is "seven billion, two hundred fifty million, eight hundred sixteen thousand, seven hundred nine".