574646749 has 8 divisors (see below), whose sum is σ = 578312280. Its totient is φ = 570993216.

The previous prime is 574646731. The next prime is 574646759. The reversal of 574646749 is 947646475.

It can be written as a sum of positive squares in 4 ways, for example, as 104407524 + 470239225 = 10218^2 + 21685^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 574646749 - 2¹⁷ = 574515677 is a prime.

It is a super-2 number, since 2×574646749² = 660437772272538002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 574646696 and 574646705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (574646759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105087 + ... + 110419.

It is an arithmetic number, because the mean of its divisors is an integer number (72289035).

Almost surely, 2^574646749 is an apocalyptic number.

It is an amenable number.

574646749 is a deficient number, since it is larger than the sum of its proper divisors (3665531).

574646749 is a wasteful number, since it uses less digits than its factorization.

574646749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999.

The product of its digits is 5080320, while the sum is 52.

The square root of 574646749 is about 23971.7906923951. The cubic root of 574646749 is about 831.3814267178.

The spelling of 574646749 in words is "five hundred seventy-four million, six hundred forty-six thousand, seven hundred forty-nine".