68751324 has 72 divisors (see below), whose sum is σ = 185657472. Its totient is φ = 21399840.

The previous prime is 68751317. The next prime is 68751341. The reversal of 68751324 is 42315786.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34639 + ... + 36569.

It is an arithmetic number, because the mean of its divisors is an integer number (2578576).

Almost surely, 2^68751324 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 68751324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92828736).

68751324 is an abundant number, since it is smaller than the sum of its proper divisors (116906148).

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

68751324 is a wasteful number, since it uses less digits than its factorization.

68751324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007 (or 2002 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 68751324 is about 8291.6418157082. The cubic root of 68751324 is about 409.6632650564.

The spelling of 68751324 in words is "sixty-eight million, seven hundred fifty-one thousand, three hundred twenty-four".