64334618 has 4 divisors (see below), whose sum is σ = 96501930. Its totient is φ = 32167308.

The previous prime is 64334593. The next prime is 64334623. The reversal of 64334618 is 81643346.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62995969 + 1338649 = 7937^2 + 1157^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16083653 + ... + 16083656.

Almost surely, 2^64334618 is an apocalyptic number.

64334618 is a deficient number, since it is larger than the sum of its proper divisors (32167312).

64334618 is a wasteful number, since it uses less digits than its factorization.

64334618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32167311.

The product of its digits is 41472, while the sum is 35.

The square root of 64334618 is about 8020.8863599979. The cubic root of 64334618 is about 400.6959094064.

The spelling of 64334618 in words is "sixty-four million, three hundred thirty-four thousand, six hundred eighteen".