197493673 has 8 divisors (see below), whose sum is σ = 213086216. Its totient is φ = 181958400.

The previous prime is 197493643. The next prime is 197493677. The reversal of 197493673 is 376394791.

It is a happy number.

197493673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 34969 + 197458704 = 187^2 + 14052^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-197493673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197493677) 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, 7008 + ... + 21073.

It is an arithmetic number, because the mean of its divisors is an integer number (26635777).

Almost surely, 2^197493673 is an apocalyptic number.

197493673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

197493673 is a deficient number, since it is larger than the sum of its proper divisors (15592543).

197493673 is a wasteful number, since it uses less digits than its factorization.

197493673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28635.

The product of its digits is 857304, while the sum is 49.

The square root of 197493673 is about 14053.2442161944. The cubic root of 197493673 is about 582.3504235051.

The spelling of 197493673 in words is "one hundred ninety-seven million, four hundred ninety-three thousand, six hundred seventy-three".