68332224 has 56 divisors (see below), whose sum is σ = 181416960. Its totient is φ = 22699264.

The previous prime is 68332177. The next prime is 68332237. The reversal of 68332224 is 42223386.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 68332191 and 68332200.

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, 91597 + ... + 92339.

Almost surely, 2^68332224 is an apocalyptic number.

68332224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68332224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90708480).

68332224 is an abundant number, since it is smaller than the sum of its proper divisors (113084736).

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

68332224 is a wasteful number, since it uses less digits than its factorization.

68332224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237 (or 1227 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 68332224 is about 8266.3307458630. The cubic root of 68332224 is about 408.8291481368.

The spelling of 68332224 in words is "sixty-eight million, three hundred thirty-two thousand, two hundred twenty-four".