7567480681 has 2 divisors, whose sum is σ = 7567480682. Its totient is φ = 7567480680.

The previous prime is 7567480619. The next prime is 7567480727. The reversal of 7567480681 is 1860847657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4717629225 + 2849851456 = 68685^2 + 53384^2 .

It is an emirp because it is prime and its reverse (1860847657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7567480681 - 2⁷ = 7567480553 is a prime.

It is a super-2 number, since 2×7567480681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7567480601) 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 as a sum of consecutive naturals, namely, 3783740340 + 3783740341.

It is an arithmetic number, because the mean of its divisors is an integer number (3783740341).

Almost surely, 2^7567480681 is an apocalyptic number.

It is an amenable number.

7567480681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7567480681 is an equidigital number, since it uses as much as digits as its factorization.

7567480681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 7567480681 is about 86991.2678433876. The cubic root of 7567480681 is about 1963.2869220128.

The spelling of 7567480681 in words is "seven billion, five hundred sixty-seven million, four hundred eighty thousand, six hundred eighty-one".