67706112 has 72 divisors (see below), whose sum is σ = 188080704. Its totient is φ = 21581824.

The previous prime is 67706083. The next prime is 67706153. The reversal of 67706112 is 21160776.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 67706112.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 15748 + ... + 19580.

It is an arithmetic number, because the mean of its divisors is an integer number (2612232).

Almost surely, 2^67706112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67706112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94040352).

67706112 is an abundant number, since it is smaller than the sum of its proper divisors (120374592).

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

67706112 is a wasteful number, since it uses less digits than its factorization.

67706112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875 (or 3861 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 67706112 is about 8228.3723785449. The cubic root of 67706112 is about 407.5766466036.

Adding to 67706112 its reverse (21160776), we get a palindrome (88866888).

The spelling of 67706112 in words is "sixty-seven million, seven hundred six thousand, one hundred twelve".