64834518 has 32 divisors (see below), whose sum is σ = 149066496. Its totient is φ = 18415008.

The previous prime is 64834513. The next prime is 64834559. The reversal of 64834518 is 81543846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64834513) 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 15 ways as a sum of consecutive naturals, for example, 2805 + ... + 11727.

It is an arithmetic number, because the mean of its divisors is an integer number (4658328).

Almost surely, 2^64834518 is an apocalyptic number.

64834518 is an abundant number, since it is smaller than the sum of its proper divisors (84231978).

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

64834518 is a wasteful number, since it uses less digits than its factorization.

64834518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9108.

The product of its digits is 92160, while the sum is 39.

The square root of 64834518 is about 8051.9884500662. The cubic root of 64834518 is about 401.7310767924.

The spelling of 64834518 in words is "sixty-four million, eight hundred thirty-four thousand, five hundred eighteen".