197473 has 4 divisors (see below), whose sum is σ = 200880. Its totient is φ = 194068.

The previous prime is 197453. The next prime is 197479. The reversal of 197473 is 374791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 374791 = 131 ⋅2861.

It is a cyclic number.

It is not a de Polignac number, because 197473 - 2⁵ = 197441 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

197473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (197479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1615 + ... + 1732.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2¹⁹⁷⁴⁷³ is an apocalyptic number.

It is an amenable number.

197473 is a deficient number, since it is larger than the sum of its proper divisors (3407).

197473 is an equidigital number, since it uses as much as digits as its factorization.

197473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406.

The product of its digits is 5292, while the sum is 31.

The square root of 197473 is about 444.3793424542. The cubic root of 197473 is about 58.2330103275.

The spelling of 197473 in words is "one hundred ninety-seven thousand, four hundred seventy-three".