68698224 has 240 divisors, whose sum is σ = 246055680. Its totient is φ = 17418240.

The previous prime is 68698193. The next prime is 68698271. The reversal of 68698224 is 42289686.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68698224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325479 + ... + 325689.

It is an arithmetic number, because the mean of its divisors is an integer number (1025232).

Almost surely, 2^68698224 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 68698224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123027840).

68698224 is an abundant number, since it is smaller than the sum of its proper divisors (177357456).

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

68698224 is a wasteful number, since it uses less digits than its factorization.

68698224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 259 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 68698224 is about 8288.4391775533. The cubic root of 68698224 is about 409.5577702536.

The spelling of 68698224 in words is "sixty-eight million, six hundred ninety-eight thousand, two hundred twenty-four".