67830638 has 8 divisors (see below), whose sum is σ = 102889440. Its totient is φ = 33534160.

The previous prime is 67830601. The next prime is 67830641. The reversal of 67830638 is 83603876.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 67830595 and 67830604.

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 3 ways as a sum of consecutive naturals, for example, 190358 + ... + 190713.

It is an arithmetic number, because the mean of its divisors is an integer number (12861180).

Almost surely, 2^67830638 is an apocalyptic number.

67830638 is a deficient number, since it is larger than the sum of its proper divisors (35058802).

67830638 is a wasteful number, since it uses less digits than its factorization.

67830638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381162.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 67830638 is about 8235.9357695407. The cubic root of 67830638 is about 407.8263670696.

The spelling of 67830638 in words is "sixty-seven million, eight hundred thirty thousand, six hundred thirty-eight".