67536772604212 has 6 divisors (see below), whose sum is σ = 118189352057378. Its totient is φ = 33768386302104.

The previous prime is 67536772604207. The next prime is 67536772604221. The reversal of 67536772604212 is 21240627763576.

It can be written as a sum of positive squares in only one way, i.e., 64453215532176 + 3083557072036 = 8028276^2 + 1756006^2 .

It is a super-2 number, since 2×67536772604212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8442096575523 + ... + 8442096575530.

Almost surely, 2^{67536772604212} is an apocalyptic number.

It is an amenable number.

67536772604212 is a deficient number, since it is larger than the sum of its proper divisors (50652579453166).

67536772604212 is a wasteful number, since it uses less digits than its factorization.

67536772604212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16884193151057 (or 16884193151055 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 58.

The spelling of 67536772604212 in words is "sixty-seven trillion, five hundred thirty-six billion, seven hundred seventy-two million, six hundred four thousand, two hundred twelve".