68841528 has 64 divisors (see below), whose sum is σ = 199100160. Its totient is φ = 19428096.

The previous prime is 68841527. The next prime is 68841559. The reversal of 68841528 is 82514886.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 68841528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68841527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11476 + ... + 16412.

It is an arithmetic number, because the mean of its divisors is an integer number (3110940).

Almost surely, 2^68841528 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 68841528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99550080).

68841528 is an abundant number, since it is smaller than the sum of its proper divisors (130258632).

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

68841528 is a wasteful number, since it uses less digits than its factorization.

68841528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5036 (or 5032 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 68841528 is about 8297.0794861807. The cubic root of 68841528 is about 409.8423506531.

The spelling of 68841528 in words is "sixty-eight million, eight hundred forty-one thousand, five hundred twenty-eight".