64021612 has 12 divisors (see below), whose sum is σ = 112236040. Its totient is φ = 31954176.

The previous prime is 64021579. The next prime is 64021613. The reversal of 64021612 is 21612046.

64021612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64021613) 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, 11562 + ... + 16177.

Almost surely, 2^64021612 is an apocalyptic number.

It is an amenable number.

64021612 is a deficient number, since it is larger than the sum of its proper divisors (48214428).

64021612 is a wasteful number, since it uses less digits than its factorization.

64021612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28320 (or 28318 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 64021612 is about 8001.3506359864. The cubic root of 64021612 is about 400.0450199328.

Adding to 64021612 its reverse (21612046), we get a palindrome (85633658).

The spelling of 64021612 in words is "sixty-four million, twenty-one thousand, six hundred twelve".