740568 has 32 divisors (see below), whose sum is σ = 1886400. Its totient is φ = 242208.

The previous prime is 740561. The next prime is 740581. The reversal of 740568 is 865047.

It is a happy number.

740568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740561) by changing a digit.

740568 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (58950).

2⁷⁴⁰⁵⁶⁸ 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 740568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943200).

740568 is an abundant number, since it is smaller than the sum of its proper divisors (1145832).

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

740568 is a wasteful number, since it uses less digits than its factorization.

740568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 740568 is about 860.5626066708. The cubic root of 740568 is about 90.4735533154.

The spelling of 740568 in words is "seven hundred forty thousand, five hundred sixty-eight".