573666733 has 4 divisors (see below), whose sum is σ = 573904188. Its totient is φ = 573429280.

The previous prime is 573666703. The next prime is 573666763. The reversal of 573666733 is 337666375.

573666733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (573666703) and next prime (573666763).

It can be written as a sum of positive squares in 2 ways, for example, as 120956004 + 452710729 = 10998^2 + 21277^2 .

It is a cyclic number.

It is not a de Polignac number, because 573666733 - 2¹⁷ = 573535661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573666703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115066 + ... + 119947.

It is an arithmetic number, because the mean of its divisors is an integer number (143476047).

Almost surely, 2^573666733 is an apocalyptic number.

It is an amenable number.

573666733 is a deficient number, since it is larger than the sum of its proper divisors (237455).

573666733 is a wasteful number, since it uses less digits than its factorization.

573666733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237454.

The product of its digits is 1428840, while the sum is 46.

The square root of 573666733 is about 23951.3409436716. The cubic root of 573666733 is about 830.9085386840.

The spelling of 573666733 in words is "five hundred seventy-three million, six hundred sixty-six thousand, seven hundred thirty-three".