68370223584 has 144 divisors (see below), whose sum is σ = 194537210112. Its totient is φ = 21015581184.

The previous prime is 68370223583. The next prime is 68370223627. The reversal of 68370223584 is 48532207386.

It is a happy number.

It is a super-2 number, since 2×68370223584² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68370223583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24707769 + ... + 24710535.

It is an arithmetic number, because the mean of its divisors is an integer number (1350952848).

Almost surely, 2^68370223584 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 68370223584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97268605056).

68370223584 is an abundant number, since it is smaller than the sum of its proper divisors (126166986528).

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

68370223584 is a wasteful number, since it uses less digits than its factorization.

68370223584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329 (or 4308 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 68370223584 in words is "sixty-eight billion, three hundred seventy million, two hundred twenty-three thousand, five hundred eighty-four".