64078018 has 8 divisors (see below), whose sum is σ = 96183360. Its totient is φ = 32016900.

The previous prime is 64078009. The next prime is 64078031. The reversal of 64078018 is 81087046.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7158 + ... + 13393.

It is an arithmetic number, because the mean of its divisors is an integer number (12022920).

Almost surely, 2^64078018 is an apocalyptic number.

64078018 is a deficient number, since it is larger than the sum of its proper divisors (32105342).

64078018 is a wasteful number, since it uses less digits than its factorization.

64078018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22112.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 64078018 is about 8004.8746398679. The cubic root of 64078018 is about 400.1624714986.

Subtracting 64078018 from its reverse (81087046), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 64078018 in words is "sixty-four million, seventy-eight thousand, eighteen".