76431223073 has 2 divisors, whose sum is σ = 76431223074. Its totient is φ = 76431223072.

The previous prime is 76431222979. The next prime is 76431223103. The reversal of 76431223073 is 37032213467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75511192849 + 920030224 = 274793^2 + 30332^2 .

It is an emirp because it is prime and its reverse (37032213467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76431223073 - 2⁸ = 76431222817 is a prime.

It is not a weakly prime, because it can be changed into another prime (76431223273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38215611536 + 38215611537.

It is an arithmetic number, because the mean of its divisors is an integer number (38215611537).

Almost surely, 2^76431223073 is an apocalyptic number.

It is an amenable number.

76431223073 is a deficient number, since it is larger than the sum of its proper divisors (1).

76431223073 is an equidigital number, since it uses as much as digits as its factorization.

76431223073 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 38.

The spelling of 76431223073 in words is "seventy-six billion, four hundred thirty-one million, two hundred twenty-three thousand, seventy-three".