67380020 has 12 divisors (see below), whose sum is σ = 141498084. Its totient is φ = 26952000.

The previous prime is 67380017. The next prime is 67380059. The reversal of 67380020 is 2008376.

It can be written as a sum of positive squares in 2 ways, for example, as 47416996 + 19963024 = 6886^2 + 4468^2 .

It is a congruent number.

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, 1684481 + ... + 1684520.

It is an arithmetic number, because the mean of its divisors is an integer number (11791507).

Almost surely, 2^67380020 is an apocalyptic number.

It is an amenable number.

67380020 is an abundant number, since it is smaller than the sum of its proper divisors (74118064).

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

67380020 is a wasteful number, since it uses less digits than its factorization.

67380020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369010 (or 3369008 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 67380020 is about 8208.5333647370. The cubic root of 67380020 is about 406.9212580616.

Adding to 67380020 its reverse (2008376), we get a palindrome (69388396).

The spelling of 67380020 in words is "sixty-seven million, three hundred eighty thousand, twenty".