197773056 has 288 divisors, whose sum is σ = 659312640. Its totient is φ = 58060800.

The previous prime is 197773027. The next prime is 197773091. The reversal of 197773056 is 650377791.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×197773056² = 78228363359158272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2785501 + ... + 2785571.

It is an arithmetic number, because the mean of its divisors is an integer number (2289280).

Almost surely, 2^197773056 is an apocalyptic number.

197773056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197773056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329656320).

197773056 is an abundant number, since it is smaller than the sum of its proper divisors (461539584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197773056 is a wasteful number, since it uses less digits than its factorization.

197773056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 45.

The square root of 197773056 is about 14063.1808635173. The cubic root of 197773056 is about 582.6249000591.

The spelling of 197773056 in words is "one hundred ninety-seven million, seven hundred seventy-three thousand, fifty-six".