67320042 has 8 divisors (see below), whose sum is σ = 134640096. Its totient is φ = 22440012.

The previous prime is 67320031. The next prime is 67320047. The reversal of 67320042 is 24002376.

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

67320042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 67319994 and 67320021.

It is not an unprimeable number, because it can be changed into a prime (67320047) 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, 5609998 + ... + 5610009.

It is an arithmetic number, because the mean of its divisors is an integer number (16830012).

Almost surely, 2^67320042 is an apocalyptic number.

67320042 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.

67320042 is a wasteful number, since it uses less digits than its factorization.

67320042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11220012.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 67320042 is about 8204.8791581595. The cubic root of 67320042 is about 406.8004825531.

The spelling of 67320042 in words is "sixty-seven million, three hundred twenty thousand, forty-two".