197564073 has 16 divisors (see below), whose sum is σ = 301271040. Its totient is φ = 112810896.

The previous prime is 197564063. The next prime is 197564137. The reversal of 197564073 is 370465791.

It is not a de Polignac number, because 197564073 - 2⁴ = 197564057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (197564063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36688 + ... + 41726.

It is an arithmetic number, because the mean of its divisors is an integer number (18829440).

Almost surely, 2^197564073 is an apocalyptic number.

It is an amenable number.

197564073 is a deficient number, since it is larger than the sum of its proper divisors (103706967).

197564073 is a wasteful number, since it uses less digits than its factorization.

197564073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6916.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 197564073 is about 14055.7487527346. The cubic root of 197564073 is about 582.4196115433.

The spelling of 197564073 in words is "one hundred ninety-seven million, five hundred sixty-four thousand, seventy-three".