76318943 has 2 divisors, whose sum is σ = 76318944. Its totient is φ = 76318942.

The previous prime is 76318909. The next prime is 76318961. The reversal of 76318943 is 34981367.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76318943 - 2¹⁴ = 76302559 is a prime.

It is a super-3 number, since 3×76318943³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76318943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76318903) 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, 38159471 + 38159472.

It is an arithmetic number, because the mean of its divisors is an integer number (38159472).

Almost surely, 2^76318943 is an apocalyptic number.

76318943 is a deficient number, since it is larger than the sum of its proper divisors (1).

76318943 is an equidigital number, since it uses as much as digits as its factorization.

76318943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 76318943 is about 8736.0713710455. The cubic root of 76318943 is about 424.1740693103.

The spelling of 76318943 in words is "seventy-six million, three hundred eighteen thousand, nine hundred forty-three".