68284071 has 18 divisors (see below), whose sum is σ = 100325160. Its totient is φ = 44754480.

The previous prime is 68284061. The next prime is 68284133. The reversal of 68284071 is 17048286.

It is not a de Polignac number, because 68284071 - 2⁵ = 68284039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68284001) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32470 + ... + 34508.

It is an arithmetic number, because the mean of its divisors is an integer number (5573620).

Almost surely, 2^68284071 is an apocalyptic number.

68284071 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

68284071 is a deficient number, since it is larger than the sum of its proper divisors (32041089).

68284071 is a wasteful number, since it uses less digits than its factorization.

68284071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 68284071 is about 8263.4176343690. The cubic root of 68284071 is about 408.7330930358.

The spelling of 68284071 in words is "sixty-eight million, two hundred eighty-four thousand, seventy-one".