68035284 has 54 divisors (see below), whose sum is σ = 174997914. Its totient is φ = 22286880.

The previous prime is 68035259. The next prime is 68035291. The reversal of 68035284 is 48253086.

It can be written as a sum of positive squares in only one way, i.e., 36360900 + 31674384 = 6030^2 + 5628^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 161394 + ... + 161814.

Almost surely, 2^68035284 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 68035284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87498957).

68035284 is an abundant number, since it is smaller than the sum of its proper divisors (106962630).

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

68035284 is a wasteful number, since it uses less digits than its factorization.

68035284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 68035284 is about 8248.3503805306. The cubic root of 68035284 is about 408.2360946116.

The spelling of 68035284 in words is "sixty-eight million, thirty-five thousand, two hundred eighty-four".