197760542 has 16 divisors (see below), whose sum is σ = 343311360. Its totient is φ = 83681208.

The previous prime is 197760527. The next prime is 197760551. The reversal of 197760542 is 245067791.

It is a self number, because there is not a number n which added to its sum of digits gives 197760542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88298 + ... + 90509.

It is an arithmetic number, because the mean of its divisors is an integer number (21456960).

Almost surely, 2^197760542 is an apocalyptic number.

197760542 is a deficient number, since it is larger than the sum of its proper divisors (145550818).

197760542 is a wasteful number, since it uses less digits than its factorization.

197760542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178895.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 197760542 is about 14062.7359357986. The cubic root of 197760542 is about 582.6126113582.

The spelling of 197760542 in words is "one hundred ninety-seven million, seven hundred sixty thousand, five hundred forty-two".