67438206 has 48 divisors (see below), whose sum is σ = 164556288. Its totient is φ = 19774800.

The previous prime is 67438181. The next prime is 67438219. The reversal of 67438206 is 60283476.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 645 + ... + 11631.

It is an arithmetic number, because the mean of its divisors is an integer number (3428256).

Almost surely, 2^67438206 is an apocalyptic number.

67438206 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 67438206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82278144).

67438206 is an abundant number, since it is smaller than the sum of its proper divisors (97118082).

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

67438206 is a wasteful number, since it uses less digits than its factorization.

67438206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11037 (or 11034 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 67438206 is about 8212.0768384130. The cubic root of 67438206 is about 407.0383566126.

The spelling of 67438206 in words is "sixty-seven million, four hundred thirty-eight thousand, two hundred six".