68143296 has 112 divisors (see below), whose sum is σ = 202777344. Its totient is φ = 20038656.

The previous prime is 68143277. The next prime is 68143321. The reversal of 68143296 is 69234186.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56815 + ... + 58001.

It is an arithmetic number, because the mean of its divisors is an integer number (1810512).

Almost surely, 2^68143296 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 68143296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101388672).

68143296 is an abundant number, since it is smaller than the sum of its proper divisors (134634048).

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

68143296 is a wasteful number, since it uses less digits than its factorization.

68143296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1228 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 68143296 is about 8254.8952749263. The cubic root of 68143296 is about 408.4520172939.

It can be divided in two parts, 681432 and 96, that added together give a triangular number (681528 = T₁₁₆₇).

The spelling of 68143296 in words is "sixty-eight million, one hundred forty-three thousand, two hundred ninety-six".