68063256 has 72 divisors (see below), whose sum is σ = 192808980. Its totient is φ = 21689184.

The previous prime is 68063213. The next prime is 68063269. The reversal of 68063256 is 65236086.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 68063256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 37195 + ... + 38981.

Almost surely, 2^68063256 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 68063256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96404490).

68063256 is an abundant number, since it is smaller than the sum of its proper divisors (124745724).

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

68063256 is a wasteful number, since it uses less digits than its factorization.

68063256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845 (or 1815 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 68063256 is about 8250.0458180546. The cubic root of 68063256 is about 408.2920342886.

It can be divided in two parts, 680 and 63256, that added together give a palindrome (63936).

The spelling of 68063256 in words is "sixty-eight million, sixty-three thousand, two hundred fifty-six".