67940022 has 16 divisors (see below), whose sum is σ = 141788160. Its totient is φ = 21661992.

The previous prime is 67940009. The next prime is 67940057. The reversal of 67940022 is 22004976.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246022 + ... + 246297.

It is an arithmetic number, because the mean of its divisors is an integer number (8861760).

Almost surely, 2^67940022 is an apocalyptic number.

67940022 is an abundant number, since it is smaller than the sum of its proper divisors (73848138).

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

67940022 is a wasteful number, since it uses less digits than its factorization.

67940022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492347.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 67940022 is about 8242.5737485327. The cubic root of 67940022 is about 408.0454702303.

Adding to 67940022 its reverse (22004976), we get a palindrome (89944998).

The spelling of 67940022 in words is "sixty-seven million, nine hundred forty thousand, twenty-two".