67563412 has 24 divisors (see below), whose sum is σ = 135305856. Its totient is φ = 28917408.

The previous prime is 67563361. The next prime is 67563413. The reversal of 67563412 is 21436576.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67563413) 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 7 ways as a sum of consecutive naturals, for example, 33258 + ... + 35230.

It is an arithmetic number, because the mean of its divisors is an integer number (5637744).

Almost surely, 2^67563412 is an apocalyptic number.

It is an amenable number.

67563412 is an abundant number, since it is smaller than the sum of its proper divisors (67742444).

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

67563412 is a wasteful number, since it uses less digits than its factorization.

67563412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207 (or 3205 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 67563412 is about 8219.6965880743. The cubic root of 67563412 is about 407.2901038058.

Adding to 67563412 its reverse (21436576), we get a palindrome (88999988).

The spelling of 67563412 in words is "sixty-seven million, five hundred sixty-three thousand, four hundred twelve".