672595585 has 4 divisors (see below), whose sum is σ = 807114708. Its totient is φ = 538076464.

The previous prime is 672595559. The next prime is 672595589. The reversal of 672595585 is 585595276.

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

It can be written as a sum of positive squares in 2 ways, for example, as 477378801 + 195216784 = 21849^2 + 13972^2 .

It is a cyclic number.

It is not a de Polignac number, because 672595585 - 2¹³ = 672587393 is a prime.

It is a super-2 number, since 2×672595585² = 904769641922984450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672595589) 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, 67259554 + ... + 67259563.

It is an arithmetic number, because the mean of its divisors is an integer number (201778677).

Almost surely, 2^672595585 is an apocalyptic number.

It is an amenable number.

672595585 is a deficient number, since it is larger than the sum of its proper divisors (134519123).

672595585 is a wasteful number, since it uses less digits than its factorization.

672595585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134519122.

The product of its digits is 3780000, while the sum is 52.

The square root of 672595585 is about 25934.4478445175. The cubic root of 672595585 is about 876.1625190189.

The spelling of 672595585 in words is "six hundred seventy-two million, five hundred ninety-five thousand, five hundred eighty-five".