67338249 has 16 divisors (see below), whose sum is σ = 99797184. Its totient is φ = 40040000.

The previous prime is 67338247. The next prime is 67338253. The reversal of 67338249 is 94283376.

It is not a de Polignac number, because 67338249 - 2¹ = 67338247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67338249.

It is not an unprimeable number, because it can be changed into a prime (67338247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17502 + ... + 20999.

It is an arithmetic number, because the mean of its divisors is an integer number (6237324).

Almost surely, 2^67338249 is an apocalyptic number.

It is an amenable number.

67338249 is a deficient number, since it is larger than the sum of its proper divisors (32458935).

67338249 is a wasteful number, since it uses less digits than its factorization.

67338249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38568.

The product of its digits is 217728, while the sum is 42.

The square root of 67338249 is about 8205.9886058902. The cubic root of 67338249 is about 406.8371529044.

The spelling of 67338249 in words is "sixty-seven million, three hundred thirty-eight thousand, two hundred forty-nine".