573665672 has 8 divisors (see below), whose sum is σ = 1075623150. Its totient is φ = 286832832.

The previous prime is 573665639. The next prime is 573665681. The reversal of 573665672 is 276566375.

It can be written as a sum of positive squares in only one way, i.e., 302272996 + 271392676 = 17386^2 + 16474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×573665672³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35854097 + ... + 35854112.

Almost surely, 2^573665672 is an apocalyptic number.

It is an amenable number.

573665672 is a deficient number, since it is larger than the sum of its proper divisors (501957478).

573665672 is a wasteful number, since it uses less digits than its factorization.

573665672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71708215 (or 71708211 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 47.

The square root of 573665672 is about 23951.3187945883. The cubic root of 573665672 is about 830.9080264269.

The spelling of 573665672 in words is "five hundred seventy-three million, six hundred sixty-five thousand, six hundred seventy-two".