197740676 has 72 divisors (see below), whose sum is σ = 438580800. Its totient is φ = 77474880.

The previous prime is 197740667. The next prime is 197740681. The reversal of 197740676 is 676047791.

197740676 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

197740676 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 197740676.

It is an unprimeable number.

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, 107081 + ... + 108911.

It is an arithmetic number, because the mean of its divisors is an integer number (6091400).

Almost surely, 2^197740676 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 197740676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219290400).

197740676 is an abundant number, since it is smaller than the sum of its proper divisors (240840124).

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

197740676 is a wasteful number, since it uses less digits than its factorization.

197740676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 197740676 is about 14062.0295832430. The cubic root of 197740676 is about 582.5931019562.

The spelling of 197740676 in words is "one hundred ninety-seven million, seven hundred forty thousand, six hundred seventy-six".