64575234 has 12 divisors (see below), whose sum is σ = 139913046. Its totient is φ = 21525072.

The previous prime is 64575233. The next prime is 64575307. The reversal of 64575234 is 43257546.

64575234 is a `hidden beast` number, since 64 + 575 + 23 + 4 = 666.

64575234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 45522009 + 19053225 = 6747^2 + 4365^2 .

It is not an unprimeable number, because it can be changed into a prime (64575233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1793739 + ... + 1793774.

Almost surely, 2^64575234 is an apocalyptic number.

64575234 is an abundant number, since it is smaller than the sum of its proper divisors (75337812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64575234 is a wasteful number, since it uses less digits than its factorization.

64575234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587521 (or 3587518 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 64575234 is about 8035.8717013153. The cubic root of 64575234 is about 401.1948315569.

The spelling of 64575234 in words is "sixty-four million, five hundred seventy-five thousand, two hundred thirty-four".