67438606 has 8 divisors (see below), whose sum is σ = 101334960. Its totient is φ = 33660288.

The previous prime is 67438583. The next prime is 67438607. The reversal of 67438606 is 60683476.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67438607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28066 + ... + 30373.

It is an arithmetic number, because the mean of its divisors is an integer number (12666870).

Almost surely, 2^67438606 is an apocalyptic number.

67438606 is a deficient number, since it is larger than the sum of its proper divisors (33896354).

67438606 is a wasteful number, since it uses less digits than its factorization.

67438606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59018.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 67438606 is about 8212.1011927521. The cubic root of 67438606 is about 407.0391613741.

The spelling of 67438606 in words is "sixty-seven million, four hundred thirty-eight thousand, six hundred six".