64237812 has 12 divisors (see below), whose sum is σ = 149888256. Its totient is φ = 21412600.

The previous prime is 64237801. The next prime is 64237853. The reversal of 64237812 is 21873246.

64237812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 2676564 + ... + 2676587.

It is an arithmetic number, because the mean of its divisors is an integer number (12490688).

Almost surely, 2^64237812 is an apocalyptic number.

It is an amenable number.

64237812 is an abundant number, since it is smaller than the sum of its proper divisors (85650444).

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

64237812 is a wasteful number, since it uses less digits than its factorization.

64237812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353158 (or 5353156 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 64237812 is about 8014.8494683306. The cubic root of 64237812 is about 400.4948292742.

The spelling of 64237812 in words is "sixty-four million, two hundred thirty-seven thousand, eight hundred twelve".