67242186 has 48 divisors (see below), whose sum is σ = 159737760. Its totient is φ = 20273760.

The previous prime is 67242181. The next prime is 67242229. The reversal of 67242186 is 68124276.

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 self number, because there is not a number n which added to its sum of digits gives 67242186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67242181) 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 23 ways as a sum of consecutive naturals, for example, 44601 + ... + 46083.

It is an arithmetic number, because the mean of its divisors is an integer number (3327870).

Almost surely, 2^67242186 is an apocalyptic number.

67242186 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 67242186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79868880).

67242186 is an abundant number, since it is smaller than the sum of its proper divisors (92495574).

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

67242186 is a wasteful number, since it uses less digits than its factorization.

67242186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731 (or 1728 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 67242186 is about 8200.1332915996. The cubic root of 67242186 is about 406.6435997248.

The spelling of 67242186 in words is "sixty-seven million, two hundred forty-two thousand, one hundred eighty-six".