68562688 has 36 divisors (see below), whose sum is σ = 137585728. Its totient is φ = 34099200.

The previous prime is 68562673. The next prime is 68562709. The reversal of 68562688 is 88626586.

It is a happy number.

Its product of digits (1105920) is a multiple of the sum of its prime factors (1440).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56488 + ... + 57688.

Almost surely, 2^68562688 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 68562688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68792864).

68562688 is an abundant number, since it is smaller than the sum of its proper divisors (69023040).

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

68562688 is a wasteful number, since it uses less digits than its factorization.

68562688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1426 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The square root of 68562688 is about 8280.2589331494. The cubic root of 68562688 is about 409.2882515566.

The spelling of 68562688 in words is "sixty-eight million, five hundred sixty-two thousand, six hundred eighty-eight".