68825988 has 108 divisors (see below), whose sum is σ = 220841712. Its totient is φ = 17871840.

The previous prime is 68825987. The next prime is 68826041. The reversal of 68825988 is 88952886.

It is a super-2 number, since 2×68825988² = 9474033248352288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68825987) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17631 + ... + 21177.

Almost surely, 2^68825988 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 68825988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110420856).

68825988 is an abundant number, since it is smaller than the sum of its proper divisors (152015724).

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

68825988 is a wasteful number, since it uses less digits than its factorization.

68825988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582 (or 3570 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The square root of 68825988 is about 8296.1429592311. The cubic root of 68825988 is about 409.8115096302.

The spelling of 68825988 in words is "sixty-eight million, eight hundred twenty-five thousand, nine hundred eighty-eight".