64267818 has 8 divisors (see below), whose sum is σ = 128535648. Its totient is φ = 21422604.

The previous prime is 64267811. The next prime is 64267849. The reversal of 64267818 is 81876246.

64267818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

64267818 is an admirable number.

It is a super-2 number, since 2×64267818² = 8260704860962248, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64267818.

It is not an unprimeable number, because it can be changed into a prime (64267811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5355646 + ... + 5355657.

It is an arithmetic number, because the mean of its divisors is an integer number (16066956).

Almost surely, 2^64267818 is an apocalyptic number.

64267818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64267818 is a wasteful number, since it uses less digits than its factorization.

64267818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10711308.

The product of its digits is 129024, while the sum is 42.

The square root of 64267818 is about 8016.7211501960. The cubic root of 64267818 is about 400.5571776889.

The spelling of 64267818 in words is "sixty-four million, two hundred sixty-seven thousand, eight hundred eighteen".