64185532 has 12 divisors (see below), whose sum is σ = 112723576. Its totient is φ = 31978800.

The previous prime is 64185529. The next prime is 64185533. The reversal of 64185532 is 23558146.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64185533) 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, 27219 + ... + 29482.

Almost surely, 2^64185532 is an apocalyptic number.

It is an amenable number.

64185532 is a deficient number, since it is larger than the sum of its proper divisors (48538044).

64185532 is a wasteful number, since it uses less digits than its factorization.

64185532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56988 (or 56986 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 64185532 is about 8011.5873583204. The cubic root of 64185532 is about 400.3861520964.

The spelling of 64185532 in words is "sixty-four million, one hundred eighty-five thousand, five hundred thirty-two".