67420120 has 16 divisors (see below), whose sum is σ = 151695360. Its totient is φ = 26968032.

The previous prime is 67420117. The next prime is 67420127. The reversal of 67420120 is 2102476.

It is a junction number, because it is equal to n+sod(n) for n = 67420091 and 67420100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67420127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 842712 + ... + 842791.

It is an arithmetic number, because the mean of its divisors is an integer number (9480960).

Almost surely, 2^67420120 is an apocalyptic number.

It is an amenable number.

67420120 is an abundant number, since it is smaller than the sum of its proper divisors (84275240).

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

67420120 is a wasteful number, since it uses less digits than its factorization.

67420120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685514 (or 1685510 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 67420120 is about 8210.9755815007. The cubic root of 67420120 is about 407.0019659949.

Adding to 67420120 its reverse (2102476), we get a palindrome (69522596).

The spelling of 67420120 in words is "sixty-seven million, four hundred twenty thousand, one hundred twenty".