76725563 has 2 divisors, whose sum is σ = 76725564. Its totient is φ = 76725562.

The previous prime is 76725557. The next prime is 76725577. The reversal of 76725563 is 36552767.

It is a weak prime.

It is an emirp because it is prime and its reverse (36552767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76725563 - 2¹⁸ = 76463419 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76725563.

It is not a weakly prime, because it can be changed into another prime (76725163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38362781 + 38362782.

It is an arithmetic number, because the mean of its divisors is an integer number (38362782).

Almost surely, 2^76725563 is an apocalyptic number.

76725563 is a deficient number, since it is larger than the sum of its proper divisors (1).

76725563 is an equidigital number, since it uses as much as digits as its factorization.

76725563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 41.

The square root of 76725563 is about 8759.3129296766. The cubic root of 76725563 is about 424.9260549552.

The spelling of 76725563 in words is "seventy-six million, seven hundred twenty-five thousand, five hundred sixty-three".