197274542 has 8 divisors (see below), whose sum is σ = 308777616. Its totient is φ = 94348672.

The previous prime is 197274529. The next prime is 197274547. The reversal of 197274542 is 245472791.

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 197274542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197274547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144243 + ... + 2144334.

It is an arithmetic number, because the mean of its divisors is an integer number (38597202).

Almost surely, 2^197274542 is an apocalyptic number.

197274542 is a deficient number, since it is larger than the sum of its proper divisors (111503074).

197274542 is a wasteful number, since it uses less digits than its factorization.

197274542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288602.

The product of its digits is 141120, while the sum is 41.

The square root of 197274542 is about 14045.4455963490. The cubic root of 197274542 is about 582.1349596286.

The spelling of 197274542 in words is "one hundred ninety-seven million, two hundred seventy-four thousand, five hundred forty-two".