197653272 has 64 divisors (see below), whose sum is σ = 514805760. Its totient is φ = 63168000.

The previous prime is 197653249. The next prime is 197653273. The reversal of 197653272 is 272356791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197653273) 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, 82897 + ... + 85247.

It is an arithmetic number, because the mean of its divisors is an integer number (8043840).

Almost surely, 2^197653272 is an apocalyptic number.

197653272 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 197653272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257402880).

197653272 is an abundant number, since it is smaller than the sum of its proper divisors (317152488).

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

197653272 is a wasteful number, since it uses less digits than its factorization.

197653272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504 (or 2500 counting only the distinct ones).

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

The square root of 197653272 is about 14058.9214380051. The cubic root of 197653272 is about 582.5072513480.

The spelling of 197653272 in words is "one hundred ninety-seven million, six hundred fifty-three thousand, two hundred seventy-two".