568073081 has 8 divisors (see below), whose sum is σ = 582309000. Its totient is φ = 553855360.

The previous prime is 568073069. The next prime is 568073087. The reversal of 568073081 is 180370865.

It can be written as a sum of positive squares in 4 ways, for example, as 3297856 + 564775225 = 1816^2 + 23765^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-568073081 is a prime.

It is a super-2 number, since 2×568073081² = 645414050713665122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (568073087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76355 + ... + 83463.

It is an arithmetic number, because the mean of its divisors is an integer number (72788625).

Almost surely, 2^568073081 is an apocalyptic number.

It is an amenable number.

568073081 is a deficient number, since it is larger than the sum of its proper divisors (14235919).

568073081 is a wasteful number, since it uses less digits than its factorization.

568073081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9099.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 568073081 is about 23834.2837316333. The cubic root of 568073081 is about 828.1990665658.

The spelling of 568073081 in words is "five hundred sixty-eight million, seventy-three thousand, eighty-one".