197748330 has 128 divisors (see below), whose sum is σ = 533433600. Its totient is φ = 46602240.

The previous prime is 197748293. The next prime is 197748347. The reversal of 197748330 is 33847791.

197748330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1327096 + ... + 1327244.

It is an arithmetic number, because the mean of its divisors is an integer number (4167450).

Almost surely, 2^197748330 is an apocalyptic number.

197748330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 197748330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266716800).

197748330 is an abundant number, since it is smaller than the sum of its proper divisors (335685270).

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

197748330 is a wasteful number, since it uses less digits than its factorization.

197748330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 197748330 is about 14062.3017319356. The cubic root of 197748330 is about 582.6006187204.

The spelling of 197748330 in words is "one hundred ninety-seven million, seven hundred forty-eight thousand, three hundred thirty".