197830773 has 24 divisors (see below), whose sum is σ = 330720000. Its totient is φ = 111612384.

The previous prime is 197830769. The next prime is 197830807. The reversal of 197830773 is 377038791.

It is not a de Polignac number, because 197830773 - 2² = 197830769 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197830723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14898 + ... + 24851.

It is an arithmetic number, because the mean of its divisors is an integer number (13780000).

Almost surely, 2^197830773 is an apocalyptic number.

It is an amenable number.

197830773 is a deficient number, since it is larger than the sum of its proper divisors (132889227).

197830773 is a wasteful number, since it uses less digits than its factorization.

197830773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39841 (or 39838 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 197830773 is about 14065.2327744691. The cubic root of 197830773 is about 582.6815712278.

The spelling of 197830773 in words is "one hundred ninety-seven million, eight hundred thirty thousand, seven hundred seventy-three".