197172976 has 120 divisors (see below), whose sum is σ = 516288384. Its totient is φ = 70836480.

The previous prime is 197172973. The next prime is 197173007. The reversal of 197172976 is 679271791.

197172976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197172973) 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, 207735 + ... + 208681.

Almost surely, 2^197172976 is an apocalyptic number.

197172976 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 197172976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258144192).

197172976 is an abundant number, since it is smaller than the sum of its proper divisors (319115408).

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

197172976 is a wasteful number, since it uses less digits than its factorization.

197172976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 980 counting only the distinct ones).

The product of its digits is 333396, while the sum is 49.

The square root of 197172976 is about 14041.8295104306. The cubic root of 197172976 is about 582.0350392023.

It can be divided in two parts, 1971 and 72976, that added together give a palindrome (74947).

The spelling of 197172976 in words is "one hundred ninety-seven million, one hundred seventy-two thousand, nine hundred seventy-six".