76745671 has 2 divisors, whose sum is σ = 76745672. Its totient is φ = 76745670.

The previous prime is 76745657. The next prime is 76745707. The reversal of 76745671 is 17654767.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76745671 - 2⁵ = 76745639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76745621) 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, 38372835 + 38372836.

It is an arithmetic number, because the mean of its divisors is an integer number (38372836).

Almost surely, 2^76745671 is an apocalyptic number.

76745671 is a deficient number, since it is larger than the sum of its proper divisors (1).

76745671 is an equidigital number, since it uses as much as digits as its factorization.

76745671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 43.

The square root of 76745671 is about 8760.4606614036. The cubic root of 76745671 is about 424.9631728182.

The spelling of 76745671 in words is "seventy-six million, seven hundred forty-five thousand, six hundred seventy-one".