68635412 has 6 divisors (see below), whose sum is σ = 120111978. Its totient is φ = 34317704.

The previous prime is 68635379. The next prime is 68635423. The reversal of 68635412 is 21453686.

It can be written as a sum of positive squares in only one way, i.e., 62504836 + 6130576 = 7906^2 + 2476^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8579423 + ... + 8579430.

It is an arithmetic number, because the mean of its divisors is an integer number (20018663).

Almost surely, 2^68635412 is an apocalyptic number.

It is an amenable number.

68635412 is a deficient number, since it is larger than the sum of its proper divisors (51476566).

68635412 is a wasteful number, since it uses less digits than its factorization.

68635412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17158857 (or 17158855 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 68635412 is about 8284.6491778469. The cubic root of 68635412 is about 409.4329102234.

The spelling of 68635412 in words is "sixty-eight million, six hundred thirty-five thousand, four hundred twelve".