67386426 has 48 divisors (see below), whose sum is σ = 145170144. Its totient is φ = 20842848.

The previous prime is 67386421. The next prime is 67386427. The reversal of 67386426 is 62468376.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67386421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114505 + ... + 115091.

It is an arithmetic number, because the mean of its divisors is an integer number (3024378).

Almost surely, 2^67386426 is an apocalyptic number.

67386426 is an abundant number, since it is smaller than the sum of its proper divisors (77783718).

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

67386426 is a wasteful number, since it uses less digits than its factorization.

67386426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 664 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 67386426 is about 8208.9235591520. The cubic root of 67386426 is about 406.9341533530.

The spelling of 67386426 in words is "sixty-seven million, three hundred eighty-six thousand, four hundred twenty-six".