197000720 has 160 divisors (see below), whose sum is σ = 546155520. Its totient is φ = 64696320.

The previous prime is 197000719. The next prime is 197000723. The reversal of 197000720 is 27000791.

197000720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 197000720.

It is not an unprimeable number, because it can be changed into a prime (197000723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2493641 + ... + 2493719.

It is an arithmetic number, because the mean of its divisors is an integer number (3413472).

Almost surely, 2^197000720 is an apocalyptic number.

197000720 is a gapful number since it is divisible by the number (10) 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 197000720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273077760).

197000720 is an abundant number, since it is smaller than the sum of its proper divisors (349154800).

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

197000720 is a wasteful number, since it uses less digits than its factorization.

197000720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 197000720 is about 14035.6944965328. The cubic root of 197000720 is about 581.8654956196.

The spelling of 197000720 in words is "one hundred ninety-seven million, seven hundred twenty", and thus it is an aban number.