68028744 has 64 divisors (see below), whose sum is σ = 195148800. Its totient is φ = 19358784.

The previous prime is 68028739. The next prime is 68028767. The reversal of 68028744 is 44782086.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50917 + ... + 52235.

It is an arithmetic number, because the mean of its divisors is an integer number (3049200).

Almost surely, 2^68028744 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 68028744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97574400).

68028744 is an abundant number, since it is smaller than the sum of its proper divisors (127120056).

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

68028744 is a wasteful number, since it uses less digits than its factorization.

68028744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 68028744 is about 8247.9539280963. The cubic root of 68028744 is about 408.2230134109.

The spelling of 68028744 in words is "sixty-eight million, twenty-eight thousand, seven hundred forty-four".