64473583 has 12 divisors (see below), whose sum is σ = 68955328. Its totient is φ = 60217920.

The previous prime is 64473581. The next prime is 64473589. The reversal of 64473583 is 38537446.

It is not a de Polignac number, because 64473583 - 2¹ = 64473581 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 (64473581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24835 + ... + 27307.

Almost surely, 2^64473583 is an apocalyptic number.

64473583 is a deficient number, since it is larger than the sum of its proper divisors (4481745).

64473583 is a wasteful number, since it uses less digits than its factorization.

64473583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562 (or 2533 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 64473583 is about 8029.5443830892. The cubic root of 64473583 is about 400.9842076023.

It can be divided in two parts, 64473 and 583, that added together give a palindrome (65056).

The spelling of 64473583 in words is "sixty-four million, four hundred seventy-three thousand, five hundred eighty-three".