67205238 has 16 divisors (see below), whose sum is σ = 139045680. Its totient is φ = 21629216.

The previous prime is 67205207. The next prime is 67205297. The reversal of 67205238 is 83250276.

It is a junction number, because it is equal to n+sod(n) for n = 67205199 and 67205208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192945 + ... + 193292.

It is an arithmetic number, because the mean of its divisors is an integer number (8690355).

Almost surely, 2^67205238 is an apocalyptic number.

67205238 is an abundant number, since it is smaller than the sum of its proper divisors (71840442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67205238 is a wasteful number, since it uses less digits than its factorization.

67205238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386271.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 67205238 is about 8197.8800918286. The cubic root of 67205238 is about 406.5691057136.

The spelling of 67205238 in words is "sixty-seven million, two hundred five thousand, two hundred thirty-eight".