67244406 has 16 divisors (see below), whose sum is σ = 135027648. Its totient is φ = 22325000.

The previous prime is 67244399. The next prime is 67244407. The reversal of 67244406 is 60444276.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67244407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20820 + ... + 23831.

It is an arithmetic number, because the mean of its divisors is an integer number (8439228).

Almost surely, 2^67244406 is an apocalyptic number.

67244406 is an abundant number, since it is smaller than the sum of its proper divisors (67783242).

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

67244406 is a wasteful number, since it uses less digits than its factorization.

67244406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44907.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 67244406 is about 8200.2686541357. The cubic root of 67244406 is about 406.6480747868.

The spelling of 67244406 in words is "sixty-seven million, two hundred forty-four thousand, four hundred six".