68388084 has 48 divisors (see below), whose sum is σ = 177923200. Its totient is φ = 22716288.

The previous prime is 68388043. The next prime is 68388091. The reversal of 68388084 is 48088386.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35457 + ... + 37335.

Almost surely, 2^68388084 is an apocalyptic number.

It is an amenable number.

68388084 is an abundant number, since it is smaller than the sum of its proper divisors (109535116).

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

68388084 is a wasteful number, since it uses less digits than its factorization.

68388084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 68388084 is about 8269.7088219598. The cubic root of 68388084 is about 408.9405205599.

The spelling of 68388084 in words is "sixty-eight million, three hundred eighty-eight thousand, eighty-four".