68224950 has 96 divisors (see below), whose sum is σ = 190300320. Its totient is φ = 17971200.

The previous prime is 68224909. The next prime is 68224957. The reversal of 68224950 is 5942286.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68224957) 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 47 ways as a sum of consecutive naturals, for example, 130690 + ... + 131210.

It is an arithmetic number, because the mean of its divisors is an integer number (1982295).

Almost surely, 2^68224950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68224950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95150160).

68224950 is an abundant number, since it is smaller than the sum of its proper divisors (122075370).

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

68224950 is a wasteful number, since it uses less digits than its factorization.

68224950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 68224950 is about 8259.8395868201. The cubic root of 68224950 is about 408.6150973051.

The spelling of 68224950 in words is "sixty-eight million, two hundred twenty-four thousand, nine hundred fifty".