67338197 has 4 divisors (see below), whose sum is σ = 67389036. Its totient is φ = 67287360.

The previous prime is 67338191. The next prime is 67338199. The reversal of 67338197 is 79183376.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13256881 + 54081316 = 3641^2 + 7354^2 .

It is a cyclic number.

It is not a de Polignac number, because 67338197 - 2¹⁰ = 67337173 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 (67338191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23378 + ... + 26099.

It is an arithmetic number, because the mean of its divisors is an integer number (16847259).

Almost surely, 2^67338197 is an apocalyptic number.

It is an amenable number.

67338197 is a deficient number, since it is larger than the sum of its proper divisors (50839).

67338197 is a wasteful number, since it uses less digits than its factorization.

67338197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50838.

The product of its digits is 190512, while the sum is 44.

The square root of 67338197 is about 8205.9854374718. The cubic root of 67338197 is about 406.8370481817.

The spelling of 67338197 in words is "sixty-seven million, three hundred thirty-eight thousand, one hundred ninety-seven".