68283380 has 24 divisors (see below), whose sum is σ = 156431520. Its totient is φ = 24830240.

The previous prime is 68283379. The next prime is 68283401. The reversal of 68283380 is 8338286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154970 + ... + 155409.

It is an arithmetic number, because the mean of its divisors is an integer number (6517980).

Almost surely, 2^68283380 is an apocalyptic number.

It is an amenable number.

68283380 is an abundant number, since it is smaller than the sum of its proper divisors (88148140).

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

68283380 is a wasteful number, since it uses less digits than its factorization.

68283380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310399 (or 310397 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 68283380 is about 8263.3758234755. The cubic root of 68283380 is about 408.7317143076.

The spelling of 68283380 in words is "sixty-eight million, two hundred eighty-three thousand, three hundred eighty".