68028884 has 24 divisors (see below), whose sum is σ = 148427328. Its totient is φ = 26504640.

The previous prime is 68028869. The next prime is 68028889. The reversal of 68028884 is 48882086.

It is a super-3 number, since 3×68028884³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68028889) 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, 110129 + ... + 110744.

It is an arithmetic number, because the mean of its divisors is an integer number (6184472).

Almost surely, 2^68028884 is an apocalyptic number.

It is an amenable number.

68028884 is an abundant number, since it is smaller than the sum of its proper divisors (80398444).

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

68028884 is a wasteful number, since it uses less digits than its factorization.

68028884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220895 (or 220893 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 44.

The square root of 68028884 is about 8247.9624150453. The cubic root of 68028884 is about 408.2232934454.

The spelling of 68028884 in words is "sixty-eight million, twenty-eight thousand, eight hundred eighty-four".