76425689 has 2 divisors, whose sum is σ = 76425690. Its totient is φ = 76425688.

The previous prime is 76425667. The next prime is 76425697. The reversal of 76425689 is 98652467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55995289 + 20430400 = 7483^2 + 4520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76425689 is a prime.

It is not a weakly prime, because it can be changed into another prime (76425289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38212844 + 38212845.

It is an arithmetic number, because the mean of its divisors is an integer number (38212845).

Almost surely, 2^76425689 is an apocalyptic number.

It is an amenable number.

76425689 is a deficient number, since it is larger than the sum of its proper divisors (1).

76425689 is an equidigital number, since it uses as much as digits as its factorization.

76425689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 76425689 is about 8742.1787330162. The cubic root of 76425689 is about 424.3717388514.

It can be divided in two parts, 7642 and 5689, that added together give a palindrome (13331).

The spelling of 76425689 in words is "seventy-six million, four hundred twenty-five thousand, six hundred eighty-nine".