70773403973 has 2 divisors, whose sum is σ = 70773403974. Its totient is φ = 70773403972.

The previous prime is 70773403969. The next prime is 70773403979. The reversal of 70773403973 is 37930437707.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38654312449 + 32119091524 = 196607^2 + 179218^2 .

It is a cyclic number.

It is not a de Polignac number, because 70773403973 - 2² = 70773403969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70773403979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35386701986 + 35386701987.

It is an arithmetic number, because the mean of its divisors is an integer number (35386701987).

Almost surely, 2^70773403973 is an apocalyptic number.

It is an amenable number.

70773403973 is a deficient number, since it is larger than the sum of its proper divisors (1).

70773403973 is an equidigital number, since it uses as much as digits as its factorization.

70773403973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2333772, while the sum is 50.

The spelling of 70773403973 in words is "seventy billion, seven hundred seventy-three million, four hundred three thousand, nine hundred seventy-three".