196912073 has 2 divisors, whose sum is σ = 196912074. Its totient is φ = 196912072.

The previous prime is 196912063. The next prime is 196912081. The reversal of 196912073 is 370219691.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98565184 + 98346889 = 9928^2 + 9917^2 .

It is a cyclic number.

It is not a de Polignac number, because 196912073 - 2⁴ = 196912057 is a prime.

It is not a weakly prime, because it can be changed into another prime (196912043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98456036 + 98456037.

It is an arithmetic number, because the mean of its divisors is an integer number (98456037).

Almost surely, 2^196912073 is an apocalyptic number.

It is an amenable number.

196912073 is a deficient number, since it is larger than the sum of its proper divisors (1).

196912073 is an equidigital number, since it uses as much as digits as its factorization.

196912073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 196912073 is about 14032.5362283516. The cubic root of 196912073 is about 581.7782059736.

The spelling of 196912073 in words is "one hundred ninety-six million, nine hundred twelve thousand, seventy-three".