67389942 has 8 divisors (see below), whose sum is σ = 134779896. Its totient is φ = 22463312.

The previous prime is 67389929. The next prime is 67389947. The reversal of 67389942 is 24998376.

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

67389942 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 67389891 and 67389900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67389947) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5615823 + ... + 5615834.

It is an arithmetic number, because the mean of its divisors is an integer number (16847487).

Almost surely, 2^67389942 is an apocalyptic number.

67389942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67389942 is a wasteful number, since it uses less digits than its factorization.

67389942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11231662.

The product of its digits is 653184, while the sum is 48.

The square root of 67389942 is about 8209.1377135482. The cubic root of 67389942 is about 406.9412307209.

The spelling of 67389942 in words is "sixty-seven million, three hundred eighty-nine thousand, nine hundred forty-two".