67536412 has 12 divisors (see below), whose sum is σ = 124409320. Its totient is φ = 31990896.

The previous prime is 67536409. The next prime is 67536419. The reversal of 67536412 is 21463576.

It is a happy number.

It is a super-2 number, since 2×67536412² = 9122333891667488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67536419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444243 + ... + 444394.

Almost surely, 2^67536412 is an apocalyptic number.

It is an amenable number.

67536412 is a deficient number, since it is larger than the sum of its proper divisors (56872908).

67536412 is a wasteful number, since it uses less digits than its factorization.

67536412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888660 (or 888658 counting only the distinct ones).

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

The square root of 67536412 is about 8218.0540275664. The cubic root of 67536412 is about 407.2358421984.

Adding to 67536412 its reverse (21463576), we get a palindrome (88999988).

The spelling of 67536412 in words is "sixty-seven million, five hundred thirty-six thousand, four hundred twelve".