76943047 has 2 divisors, whose sum is σ = 76943048. Its totient is φ = 76943046.

The previous prime is 76942997. The next prime is 76943059. The reversal of 76943047 is 74034967.

It is a strong prime.

It is an emirp because it is prime and its reverse (74034967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76943047 - 2¹¹ = 76940999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76941047) 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, 38471523 + 38471524.

It is an arithmetic number, because the mean of its divisors is an integer number (38471524).

Almost surely, 2^76943047 is an apocalyptic number.

76943047 is a deficient number, since it is larger than the sum of its proper divisors (1).

76943047 is an equidigital number, since it uses as much as digits as its factorization.

76943047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 76943047 is about 8771.7185887373. The cubic root of 76943047 is about 425.3271704514.

The spelling of 76943047 in words is "seventy-six million, nine hundred forty-three thousand, forty-seven".