64585673 has 4 divisors (see below), whose sum is σ = 64754688. Its totient is φ = 64416660.

The previous prime is 64585667. The next prime is 64585711. The reversal of 64585673 is 37658546.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64585673 - 2⁴ = 64585657 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (64585603) 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, 83933 + ... + 84698.

It is an arithmetic number, because the mean of its divisors is an integer number (16188672).

Almost surely, 2^64585673 is an apocalyptic number.

It is an amenable number.

64585673 is a deficient number, since it is larger than the sum of its proper divisors (169015).

64585673 is a wasteful number, since it uses less digits than its factorization.

64585673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169014.

The product of its digits is 604800, while the sum is 44.

The square root of 64585673 is about 8036.5212001214. The cubic root of 64585673 is about 401.2164489631.

The spelling of 64585673 in words is "sixty-four million, five hundred eighty-five thousand, six hundred seventy-three".