64532064 has 24 divisors (see below), whose sum is σ = 169396920. Its totient is φ = 21510656.

The previous prime is 64532023. The next prime is 64532071. The reversal of 64532064 is 46023546.

64532064 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 (24).

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, 336009 + ... + 336200.

It is an arithmetic number, because the mean of its divisors is an integer number (7058205).

Almost surely, 2^64532064 is an apocalyptic number.

It is an amenable number.

64532064 is an abundant number, since it is smaller than the sum of its proper divisors (104864856).

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

64532064 is a wasteful number, since it uses less digits than its factorization.

64532064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672222 (or 672214 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 64532064 is about 8033.1851715244. The cubic root of 64532064 is about 401.1054090298.

The spelling of 64532064 in words is "sixty-four million, five hundred thirty-two thousand, sixty-four".