68854720 has 112 divisors (see below), whose sum is σ = 184928256. Its totient is φ = 24192000.

The previous prime is 68854717. The next prime is 68854733. The reversal of 68854720 is 2745886.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108805 + ... + 109435.

Almost surely, 2^68854720 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 68854720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92464128).

68854720 is an abundant number, since it is smaller than the sum of its proper divisors (116073536).

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

68854720 is a wasteful number, since it uses less digits than its factorization.

68854720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 68854720 is about 8297.8744266228. The cubic root of 68854720 is about 409.8685281418.

The spelling of 68854720 in words is "sixty-eight million, eight hundred fifty-four thousand, seven hundred twenty".