7536000781 has 2 divisors, whose sum is σ = 7536000782. Its totient is φ = 7536000780.

The previous prime is 7536000749. The next prime is 7536000809. The reversal of 7536000781 is 1870006357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6894645156 + 641355625 = 83034^2 + 25325^2 .

It is a cyclic number.

It is not a de Polignac number, because 7536000781 - 2⁵ = 7536000749 is a prime.

It is a super-2 number, since 2×7536000781² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7536000781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7536000281) 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, 3768000390 + 3768000391.

It is an arithmetic number, because the mean of its divisors is an integer number (3768000391).

Almost surely, 2^7536000781 is an apocalyptic number.

It is an amenable number.

7536000781 is a deficient number, since it is larger than the sum of its proper divisors (1).

7536000781 is an equidigital number, since it uses as much as digits as its factorization.

7536000781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 7536000781 is about 86810.1421551653. The cubic root of 7536000781 is about 1960.5607847151.

The spelling of 7536000781 in words is "seven billion, five hundred thirty-six million, seven hundred eighty-one", and thus it is an aban number.