68973888 has 56 divisors (see below), whose sum is σ = 183794400. Its totient is φ = 22827520.

The previous prime is 68973881. The next prime is 68973893. The reversal of 68973888 is 88837986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68973881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27403 + ... + 29813.

Almost surely, 2^68973888 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 68973888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91897200).

68973888 is an abundant number, since it is smaller than the sum of its proper divisors (114820512).

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

68973888 is a wasteful number, since it uses less digits than its factorization.

68973888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575 (or 2565 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 57.

The square root of 68973888 is about 8305.0519564901. The cubic root of 68973888 is about 410.1048472685.

The spelling of 68973888 in words is "sixty-eight million, nine hundred seventy-three thousand, eight hundred eighty-eight".