68889024 has 84 divisors (see below), whose sum is σ = 198780400. Its totient is φ = 22809600.

The previous prime is 68889019. The next prime is 68889031. The reversal of 68889024 is 42098886.

It is a happy number.

It is a super-3 number, since 3×68889024³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114324 + ... + 114924.

Almost surely, 2^68889024 is an apocalyptic number.

68889024 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68889024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99390200).

68889024 is an abundant number, since it is smaller than the sum of its proper divisors (129891376).

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

68889024 is a wasteful number, since it uses less digits than its factorization.

68889024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 68889024 is about 8299.9412046110. The cubic root of 68889024 is about 409.9365834892.

The spelling of 68889024 in words is "sixty-eight million, eight hundred eighty-nine thousand, twenty-four".