197740320 has 192 divisors, whose sum is σ = 654345216. Its totient is φ = 50135040.

The previous prime is 197740303. The next prime is 197740337. The reversal of 197740320 is 23047791.

It is an interprime number because it is at equal distance from previous prime (197740303) and next prime (197740337).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1443292 + ... + 1443428.

It is an arithmetic number, because the mean of its divisors is an integer number (3408048).

Almost surely, 2^197740320 is an apocalyptic number.

197740320 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 197740320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327172608).

197740320 is an abundant number, since it is smaller than the sum of its proper divisors (456604896).

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

197740320 is a wasteful number, since it uses less digits than its factorization.

197740320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 197740320 is about 14062.0169250360. The cubic root of 197740320 is about 582.5927523346.

The spelling of 197740320 in words is "one hundred ninety-seven million, seven hundred forty thousand, three hundred twenty".