197542793 has 8 divisors (see below), whose sum is σ = 226643712. Its totient is φ = 168662016.

The previous prime is 197542777. The next prime is 197542801. The reversal of 197542793 is 397245791.

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 197542793 - 2⁴ = 197542777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197542393) 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 7 ways as a sum of consecutive naturals, for example, 53105 + ... + 56702.

It is an arithmetic number, because the mean of its divisors is an integer number (28330464).

Almost surely, 2^197542793 is an apocalyptic number.

It is an amenable number.

197542793 is a deficient number, since it is larger than the sum of its proper divisors (29100919).

197542793 is a wasteful number, since it uses less digits than its factorization.

197542793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110071.

The product of its digits is 476280, while the sum is 47.

The square root of 197542793 is about 14054.9917467069. The cubic root of 197542793 is about 582.3986996198.

The spelling of 197542793 in words is "one hundred ninety-seven million, five hundred forty-two thousand, seven hundred ninety-three".