68506112 has 20 divisors (see below), whose sum is σ = 136879446. Its totient is φ = 34252800.

The previous prime is 68506099. The next prime is 68506117. The reversal of 68506112 is 21160586.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38738176 + 29767936 = 6224^2 + 5456^2 .

It is not an unprimeable number, because it can be changed into a prime (68506117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66389 + ... + 67412.

Almost surely, 2^68506112 is an apocalyptic number.

It is an amenable number.

68506112 is a deficient number, since it is larger than the sum of its proper divisors (68373334).

68506112 is an equidigital number, since it uses as much as digits as its factorization.

68506112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133819 (or 133803 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 68506112 is about 8276.8419098108. The cubic root of 68506112 is about 409.1756428627.

Adding to 68506112 its reverse (21160586), we get a palindrome (89666698).

The spelling of 68506112 in words is "sixty-eight million, five hundred six thousand, one hundred twelve".