197874073 has 2 divisors, whose sum is σ = 197874074. Its totient is φ = 197874072.

The previous prime is 197874071. The next prime is 197874097. The reversal of 197874073 is 370478791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164788569 + 33085504 = 12837^2 + 5752^2 .

It is a cyclic number.

It is not a de Polignac number, because 197874073 - 2¹ = 197874071 is a prime.

Together with 197874071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (197874071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98937036 + 98937037.

It is an arithmetic number, because the mean of its divisors is an integer number (98937037).

Almost surely, 2^197874073 is an apocalyptic number.

It is an amenable number.

197874073 is a deficient number, since it is larger than the sum of its proper divisors (1).

197874073 is an equidigital number, since it uses as much as digits as its factorization.

197874073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 197874073 is about 14066.7719466834. The cubic root of 197874073 is about 582.7240793963.

The spelling of 197874073 in words is "one hundred ninety-seven million, eight hundred seventy-four thousand, seventy-three".