568740 has 24 divisors (see below), whose sum is σ = 1592640. Its totient is φ = 151648.

The previous prime is 568723. The next prime is 568751. The reversal of 568740 is 47865.

Added to its reverse (47865) it gives a triangular number (616605 = T₁₁₁₀).

568740 = T₃₅₁ + T₃₅₂ + ... + T₃₅₉.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 568698 and 568707.

It is an unprimeable number.

568740 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, 4680 + ... + 4799.

It is an arithmetic number, because the mean of its divisors is an integer number (66360).

2⁵⁶⁸⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

568740 is an abundant number, since it is smaller than the sum of its proper divisors (1023900).

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

568740 is a wasteful number, since it uses less digits than its factorization.

568740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9491 (or 9489 counting only the distinct ones).

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

The square root of 568740 is about 754.1485264853. The cubic root of 568740 is about 82.8523042302.

Adding to 568740 its reverse (47865), we get a triangular number (616605 = T₁₁₁₀).

The spelling of 568740 in words is "five hundred sixty-eight thousand, seven hundred forty".