68032512 has 72 divisors (see below), whose sum is σ = 196543620. Its totient is φ = 22671360.

The previous prime is 68032511. The next prime is 68032513. The reversal of 68032512 is 21523086.

It is an interprime number because it is at equal distance from previous prime (68032511) and next prime (68032513).

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68032511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16587 + ... + 20277.

Almost surely, 2^68032512 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 68032512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98271810).

68032512 is an abundant number, since it is smaller than the sum of its proper divisors (128511108).

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

68032512 is a wasteful number, since it uses less digits than its factorization.

68032512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719 (or 3696 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 68032512 is about 8248.1823452201. The cubic root of 68032512 is about 408.2305502050.

Adding to 68032512 its reverse (21523086), we get a palindrome (89555598).

The spelling of 68032512 in words is "sixty-eight million, thirty-two thousand, five hundred twelve".