574689681 has 16 divisors (see below), whose sum is σ = 851830720. Its totient is φ = 382929120.

The previous prime is 574689673. The next prime is 574689721. The reversal of 574689681 is 186986475.

574689681 is a `hidden beast` number, since 574 + 6 + 8 + 9 + 68 + 1 = 666.

It is not a de Polignac number, because 574689681 - 2³ = 574689673 is a prime.

It is a super-2 number, since 2×574689681² = 660536458895763522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (574689671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63846 + ... + 72288.

It is an arithmetic number, because the mean of its divisors is an integer number (53239420).

Almost surely, 2^574689681 is an apocalyptic number.

It is an amenable number.

574689681 is a deficient number, since it is larger than the sum of its proper divisors (277141039).

574689681 is a wasteful number, since it uses less digits than its factorization.

574689681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10973 (or 10967 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 574689681 is about 23972.6861448608. The cubic root of 574689681 is about 831.4021304392.

The spelling of 574689681 in words is "five hundred seventy-four million, six hundred eighty-nine thousand, six hundred eighty-one".