64673018 has 8 divisors (see below), whose sum is σ = 97050720. Its totient is φ = 32322780.

The previous prime is 64672991. The next prime is 64673039. The reversal of 64673018 is 81037646.

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

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, 683 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (12131340).

Almost surely, 2^64673018 is an apocalyptic number.

64673018 is a deficient number, since it is larger than the sum of its proper divisors (32377702).

64673018 is a wasteful number, since it uses less digits than its factorization.

64673018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13732.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 64673018 is about 8041.9536183691. The cubic root of 64673018 is about 401.3972344899.

The spelling of 64673018 in words is "sixty-four million, six hundred seventy-three thousand, eighteen".