197497042 has 8 divisors (see below), whose sum is σ = 296449776. Its totient is φ = 98680452.

The previous prime is 197497019. The next prime is 197497049. The reversal of 197497042 is 240794791.

197497042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 197497042.

It is not an unprimeable number, because it can be changed into a prime (197497049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30328 + ... + 36259.

It is an arithmetic number, because the mean of its divisors is an integer number (37056222).

Almost surely, 2^197497042 is an apocalyptic number.

197497042 is a deficient number, since it is larger than the sum of its proper divisors (98952734).

197497042 is a wasteful number, since it uses less digits than its factorization.

197497042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68072.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 197497042 is about 14053.3640812440. The cubic root of 197497042 is about 582.3537348811.

The spelling of 197497042 in words is "one hundred ninety-seven million, four hundred ninety-seven thousand, forty-two".