68670224 has 80 divisors (see below), whose sum is σ = 159001728. Its totient is φ = 28118016.

The previous prime is 68670223. The next prime is 68670229. The reversal of 68670224 is 42207686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68670221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302399 + ... + 302625.

Almost surely, 2^68670224 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 68670224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79500864).

68670224 is an abundant number, since it is smaller than the sum of its proper divisors (90331504).

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

68670224 is a wasteful number, since it uses less digits than its factorization.

68670224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 68670224 is about 8286.7499057230. The cubic root of 68670224 is about 409.5021202176.

The spelling of 68670224 in words is "sixty-eight million, six hundred seventy thousand, two hundred twenty-four".