197270064 has 120 divisors (see below), whose sum is σ = 578192160. Its totient is φ = 62705664.

The previous prime is 197270063. The next prime is 197270071. The reversal of 197270064 is 460072791.

It is a happy number.

197270064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (197270063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404829 + ... + 405315.

It is an arithmetic number, because the mean of its divisors is an integer number (4818268).

Almost surely, 2^197270064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197270064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289096080).

197270064 is an abundant number, since it is smaller than the sum of its proper divisors (380922096).

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

197270064 is a wasteful number, since it uses less digits than its factorization.

197270064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 197270064 is about 14045.2861843396. The cubic root of 197270064 is about 582.1305549040.

The spelling of 197270064 in words is "one hundred ninety-seven million, two hundred seventy thousand, sixty-four".