67880238 has 16 divisors (see below), whose sum is σ = 136661376. Its totient is φ = 22476600.

The previous prime is 67880207. The next prime is 67880243. The reversal of 67880238 is 83208876.

It is a self number, because there is not a number n which added to its sum of digits gives 67880238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36556 + ... + 38367.

It is an arithmetic number, because the mean of its divisors is an integer number (8541336).

Almost surely, 2^67880238 is an apocalyptic number.

67880238 is an abundant number, since it is smaller than the sum of its proper divisors (68781138).

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

67880238 is a wasteful number, since it uses less digits than its factorization.

67880238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75079.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 67880238 is about 8238.9464132254. The cubic root of 67880238 is about 407.9257482140.

The spelling of 67880238 in words is "sixty-seven million, eight hundred eighty thousand, two hundred thirty-eight".