197332738 has 4 divisors (see below), whose sum is σ = 295999110. Its totient is φ = 98666368.

The previous prime is 197332721. The next prime is 197332739. The reversal of 197332738 is 837233791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 158432569 + 38900169 = 12587^2 + 6237^2 .

It is a junction number, because it is equal to n+sod(n) for n = 197332694 and 197332703.

It is not an unprimeable number, because it can be changed into a prime (197332739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49333183 + ... + 49333186.

Almost surely, 2^197332738 is an apocalyptic number.

197332738 is a deficient number, since it is larger than the sum of its proper divisors (98666372).

197332738 is an equidigital number, since it uses as much as digits as its factorization.

197332738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98666371.

The product of its digits is 190512, while the sum is 43.

The square root of 197332738 is about 14047.5171471687. The cubic root of 197332738 is about 582.1921972816.

The spelling of 197332738 in words is "one hundred ninety-seven million, three hundred thirty-two thousand, seven hundred thirty-eight".