67009420 has 12 divisors (see below), whose sum is σ = 140719824. Its totient is φ = 26803760.

The previous prime is 67009403. The next prime is 67009433. The reversal of 67009420 is 2490076.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675216 + ... + 1675255.

It is an arithmetic number, because the mean of its divisors is an integer number (11726652).

Almost surely, 2^67009420 is an apocalyptic number.

It is an amenable number.

67009420 is an abundant number, since it is smaller than the sum of its proper divisors (73710404).

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

67009420 is a wasteful number, since it uses less digits than its factorization.

67009420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350480 (or 3350478 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 67009420 is about 8185.9281697313. The cubic root of 67009420 is about 406.1738438705.

Adding to 67009420 its reverse (2490076), we get a palindrome (69499496).

The spelling of 67009420 in words is "sixty-seven million, nine thousand, four hundred twenty".