68256760 has 64 divisors (see below), whose sum is σ = 180442080. Its totient is φ = 22909440.

The previous prime is 68256707. The next prime is 68256767. The reversal of 68256760 is 6765286.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68256767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247 + ... + 11686.

Almost surely, 2^68256760 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 68256760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90221040).

68256760 is an abundant number, since it is smaller than the sum of its proper divisors (112185320).

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

68256760 is a wasteful number, since it uses less digits than its factorization.

68256760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11968 (or 11964 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 68256760 is about 8261.7649446108. The cubic root of 68256760 is about 408.6785932678.

The spelling of 68256760 in words is "sixty-eight million, two hundred fifty-six thousand, seven hundred sixty".