76941691 has 2 divisors, whose sum is σ = 76941692. Its totient is φ = 76941690.

The previous prime is 76941673. The next prime is 76941719. The reversal of 76941691 is 19614967.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76941691 - 2¹³ = 76933499 is a prime.

It is not a weakly prime, because it can be changed into another prime (76941091) 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, 38470845 + 38470846.

It is an arithmetic number, because the mean of its divisors is an integer number (38470846).

Almost surely, 2^76941691 is an apocalyptic number.

76941691 is a deficient number, since it is larger than the sum of its proper divisors (1).

76941691 is an equidigital number, since it uses as much as digits as its factorization.

76941691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 43.

The square root of 76941691 is about 8771.6412945355. The cubic root of 76941691 is about 425.3246718629.

The spelling of 76941691 in words is "seventy-six million, nine hundred forty-one thousand, six hundred ninety-one".