68267312 has 40 divisors (see below), whose sum is σ = 140990976. Its totient is φ = 31946816.

The previous prime is 68267279. The next prime is 68267317. The reversal of 68267312 is 21376286.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68267317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15323 + ... + 19269.

Almost surely, 2^68267312 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 68267312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70495488).

68267312 is an abundant number, since it is smaller than the sum of its proper divisors (72723664).

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

68267312 is a wasteful number, since it uses less digits than its factorization.

68267312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025 (or 4019 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 68267312 is about 8262.4035243989. The cubic root of 68267312 is about 408.6996517647.

The spelling of 68267312 in words is "sixty-eight million, two hundred sixty-seven thousand, three hundred twelve".