64485434 has 8 divisors (see below), whose sum is σ = 104168820. Its totient is φ = 29762496.

The previous prime is 64485433. The next prime is 64485451. The reversal of 64485434 is 43458446.

It can be written as a sum of positive squares in 2 ways, for example, as 63282025 + 1203409 = 7955^2 + 1097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64485431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240079 + ... + 1240130.

Almost surely, 2^64485434 is an apocalyptic number.

64485434 is a deficient number, since it is larger than the sum of its proper divisors (39683386).

64485434 is a wasteful number, since it uses less digits than its factorization.

64485434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480224.

The product of its digits is 184320, while the sum is 38.

The square root of 64485434 is about 8030.2823113512. The cubic root of 64485434 is about 401.0087746290.

The spelling of 64485434 in words is "sixty-four million, four hundred eighty-five thousand, four hundred thirty-four".