64513704 has 32 divisors (see below), whose sum is σ = 164718720. Its totient is φ = 21046656.

The previous prime is 64513703. The next prime is 64513733. The reversal of 64513704 is 40731546.

64513704 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 (64513703) 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, 27469 + ... + 29724.

It is an arithmetic number, because the mean of its divisors is an integer number (5147460).

Almost surely, 2^64513704 is an apocalyptic number.

It is an amenable number.

64513704 is an abundant number, since it is smaller than the sum of its proper divisors (100205016).

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

64513704 is a wasteful number, since it uses less digits than its factorization.

64513704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57249 (or 57245 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 64513704 is about 8032.0423305657. The cubic root of 64513704 is about 401.0673659581.

The spelling of 64513704 in words is "sixty-four million, five hundred thirteen thousand, seven hundred four".