197442071 has 8 divisors (see below), whose sum is σ = 200756880. Its totient is φ = 194154688.

The previous prime is 197442061. The next prime is 197442073. The reversal of 197442071 is 170244791.

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

It is a cyclic number.

It is not a de Polignac number, because 197442071 - 2¹⁰ = 197441047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197442073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7925 + ... + 21393.

It is an arithmetic number, because the mean of its divisors is an integer number (25094610).

Almost surely, 2^197442071 is an apocalyptic number.

197442071 is a deficient number, since it is larger than the sum of its proper divisors (3314809).

197442071 is a wasteful number, since it uses less digits than its factorization.

197442071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13713.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 197442071 is about 14051.4081500752. The cubic root of 197442071 is about 582.2996994090.

The spelling of 197442071 in words is "one hundred ninety-seven million, four hundred forty-two thousand, seventy-one".