67397238 has 32 divisors (see below), whose sum is σ = 152604000. Its totient is φ = 22040928.

The previous prime is 67397221. The next prime is 67397251. The reversal of 67397238 is 83279376.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67397193 and 67397202.

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 15 ways as a sum of consecutive naturals, for example, 8913 + ... + 14636.

It is an arithmetic number, because the mean of its divisors is an integer number (4768875).

Almost surely, 2^67397238 is an apocalyptic number.

67397238 is an abundant number, since it is smaller than the sum of its proper divisors (85206762).

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

67397238 is a wasteful number, since it uses less digits than its factorization.

67397238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23613 (or 23607 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 67397238 is about 8209.5820843695. The cubic root of 67397238 is about 406.9559160780.

The spelling of 67397238 in words is "sixty-seven million, three hundred ninety-seven thousand, two hundred thirty-eight".