64364518 has 8 divisors (see below), whose sum is σ = 97251912. Its totient is φ = 31947216.

The previous prime is 64364491. The next prime is 64364527. The reversal of 64364518 is 81546346.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 117180 + ... + 117727.

It is an arithmetic number, because the mean of its divisors is an integer number (12156489).

Almost surely, 2^64364518 is an apocalyptic number.

64364518 is a deficient number, since it is larger than the sum of its proper divisors (32887394).

64364518 is a wasteful number, since it uses less digits than its factorization.

64364518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235046.

The product of its digits is 69120, while the sum is 37.

The square root of 64364518 is about 8022.7500272662. The cubic root of 64364518 is about 400.7579752765.

The spelling of 64364518 in words is "sixty-four million, three hundred sixty-four thousand, five hundred eighteen".