197197572 has 144 divisors (see below), whose sum is σ = 563902976. Its totient is φ = 53222400.

The previous prime is 197197489. The next prime is 197197573. The reversal of 197197572 is 275791791.

197197572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (197197573) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 584988 + ... + 585324.

Almost surely, 2^197197572 is an apocalyptic number.

197197572 is a gapful number since it is divisible by the number (12) 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 197197572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281951488).

197197572 is an abundant number, since it is smaller than the sum of its proper divisors (366705404).

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

197197572 is a wasteful number, since it uses less digits than its factorization.

197197572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 397 counting only the distinct ones).

The product of its digits is 277830, while the sum is 48.

The square root of 197197572 is about 14042.7052949209. The cubic root of 197197572 is about 582.0592398457.

The spelling of 197197572 in words is "one hundred ninety-seven million, one hundred ninety-seven thousand, five hundred seventy-two".