70700077673 has 2 divisors, whose sum is σ = 70700077674. Its totient is φ = 70700077672.

The previous prime is 70700077667. The next prime is 70700077681. The reversal of 70700077673 is 37677000707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70080913984 + 619163689 = 264728^2 + 24883^2 .

It is an emirp because it is prime and its reverse (37677000707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70700077673 - 2¹⁰ = 70700076649 is a prime.

It is not a weakly prime, because it can be changed into another prime (70700077573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35350038836 + 35350038837.

It is an arithmetic number, because the mean of its divisors is an integer number (35350038837).

Almost surely, 2^70700077673 is an apocalyptic number.

It is an amenable number.

70700077673 is a deficient number, since it is larger than the sum of its proper divisors (1).

70700077673 is an equidigital number, since it uses as much as digits as its factorization.

70700077673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302526, while the sum is 44.

The spelling of 70700077673 in words is "seventy billion, seven hundred million, seventy-seven thousand, six hundred seventy-three".