197742671 has 8 divisors (see below), whose sum is σ = 237886080. Its totient is φ = 160572888.

The previous prime is 197742653. The next prime is 197742697. The reversal of 197742671 is 176247791.

197742671 is digitally balanced in base 2, 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 not a de Polignac number, because 197742671 - 2⁶ = 197742607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197742371) 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, 743261 + ... + 743526.

It is an arithmetic number, because the mean of its divisors is an integer number (29735760).

Almost surely, 2^197742671 is an apocalyptic number.

197742671 is a deficient number, since it is larger than the sum of its proper divisors (40143409).

197742671 is a wasteful number, since it uses less digits than its factorization.

197742671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486813.

The product of its digits is 148176, while the sum is 44.

The square root of 197742671 is about 14062.1005187703. The cubic root of 197742671 is about 582.5950612047.

The spelling of 197742671 in words is "one hundred ninety-seven million, seven hundred forty-two thousand, six hundred seventy-one".