76725577 has 2 divisors, whose sum is σ = 76725578. Its totient is φ = 76725576.

The previous prime is 76725563. The next prime is 76725581. The reversal of 76725577 is 77552767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66765241 + 9960336 = 8171^2 + 3156^2 .

It is a cyclic number.

It is not a de Polignac number, because 76725577 - 2¹¹ = 76723529 is a prime.

It is not a weakly prime, because it can be changed into another prime (76725557) 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, 38362788 + 38362789.

It is an arithmetic number, because the mean of its divisors is an integer number (38362789).

Almost surely, 2^76725577 is an apocalyptic number.

It is an amenable number.

76725577 is a deficient number, since it is larger than the sum of its proper divisors (1).

76725577 is an equidigital number, since it uses as much as digits as its factorization.

76725577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720300, while the sum is 46.

The square root of 76725577 is about 8759.3137288260. The cubic root of 76725577 is about 424.9260808004.

The spelling of 76725577 in words is "seventy-six million, seven hundred twenty-five thousand, five hundred seventy-seven".