68574744 has 96 divisors (see below), whose sum is σ = 213408000. Its totient is φ = 19486656.

The previous prime is 68574733. The next prime is 68574749. The reversal of 68574744 is 44747586.

68574744 is a `hidden beast` number, since 6 + 8 + 574 + 74 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 68574744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68574749) 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 23 ways as a sum of consecutive naturals, for example, 180747 + ... + 181125.

It is an arithmetic number, because the mean of its divisors is an integer number (2223000).

Almost surely, 2^68574744 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 68574744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106704000).

68574744 is an abundant number, since it is smaller than the sum of its proper divisors (144833256).

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

68574744 is a wasteful number, since it uses less digits than its factorization.

68574744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 750 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 68574744 is about 8280.9868977073. The cubic root of 68574744 is about 409.3122397738.

The spelling of 68574744 in words is "sixty-eight million, five hundred seventy-four thousand, seven hundred forty-four".