64306564 has 24 divisors (see below), whose sum is σ = 135383360. Its totient is φ = 26109216.

The previous prime is 64306559. The next prime is 64306607. The reversal of 64306564 is 46560346.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59907 + ... + 60970.

Almost surely, 2^64306564 is an apocalyptic number.

It is an amenable number.

64306564 is an abundant number, since it is smaller than the sum of its proper divisors (71076796).

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

64306564 is a wasteful number, since it uses less digits than its factorization.

64306564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120907 (or 120905 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 64306564 is about 8019.1373600905. The cubic root of 64306564 is about 400.6376579407.

The spelling of 64306564 in words is "sixty-four million, three hundred six thousand, five hundred sixty-four".