7420762529 has 2 divisors, whose sum is σ = 7420762530. Its totient is φ = 7420762528.

The previous prime is 7420762523. The next prime is 7420762549. The reversal of 7420762529 is 9252670247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4854326929 + 2566435600 = 69673^2 + 50660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7420762529 is a prime.

It is a super-3 number, since 3×7420762529³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7420762529.

It is not a weakly prime, because it can be changed into another prime (7420762523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710381264 + 3710381265.

It is an arithmetic number, because the mean of its divisors is an integer number (3710381265).

Almost surely, 2^7420762529 is an apocalyptic number.

It is an amenable number.

7420762529 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420762529 is an equidigital number, since it uses as much as digits as its factorization.

7420762529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 7420762529 is about 86143.8478882851. The cubic root of 7420762529 is about 1950.5159738263.

The spelling of 7420762529 in words is "seven billion, four hundred twenty million, seven hundred sixty-two thousand, five hundred twenty-nine".