68587344 has 160 divisors (see below), whose sum is σ = 231453440. Its totient is φ = 19035648.

The previous prime is 68587339. The next prime is 68587423. The reversal of 68587344 is 44378586.

68587344 is a `hidden beast` number, since 68 + 587 + 3 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 68587344.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 111582 + ... + 112194.

It is an arithmetic number, because the mean of its divisors is an integer number (1446584).

Almost surely, 2^68587344 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 68587344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115726720).

68587344 is an abundant number, since it is smaller than the sum of its proper divisors (162866096).

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

68587344 is a wasteful number, since it uses less digits than its factorization.

68587344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 662 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 68587344 is about 8281.7476416515. The cubic root of 68587344 is about 409.3373074012.

The spelling of 68587344 in words is "sixty-eight million, five hundred eighty-seven thousand, three hundred forty-four".