64465064 has 8 divisors (see below), whose sum is σ = 120872010. Its totient is φ = 32232528.

The previous prime is 64465001. The next prime is 64465069. The reversal of 64465064 is 46056446.

It can be written as a sum of positive squares in only one way, i.e., 38962564 + 25502500 = 6242^2 + 5050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (64465069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4029059 + ... + 4029074.

Almost surely, 2^64465064 is an apocalyptic number.

It is an amenable number.

64465064 is a deficient number, since it is larger than the sum of its proper divisors (56406946).

64465064 is a wasteful number, since it uses less digits than its factorization.

64465064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058139 (or 8058135 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 64465064 is about 8029.0138871470. The cubic root of 64465064 is about 400.9665459246.

The spelling of 64465064 in words is "sixty-four million, four hundred sixty-five thousand, sixty-four".