64021324 has 24 divisors (see below), whose sum is σ = 118350848. Its totient is φ = 30255120.

The previous prime is 64021291. The next prime is 64021327. The reversal of 64021324 is 42312046.

It is a happy number.

64021324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64021295 and 64021304.

It is not an unprimeable number, because it can be changed into a prime (64021327) 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 7 ways as a sum of consecutive naturals, for example, 672 + ... + 11335.

Almost surely, 2^64021324 is an apocalyptic number.

It is an amenable number.

64021324 is a deficient number, since it is larger than the sum of its proper divisors (54329524).

64021324 is a wasteful number, since it uses less digits than its factorization.

64021324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12085 (or 12083 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 64021324 is about 8001.3326390046. The cubic root of 64021324 is about 400.0444200670.

The spelling of 64021324 in words is "sixty-four million, twenty-one thousand, three hundred twenty-four".