64560536 has 8 divisors (see below), whose sum is σ = 121051020. Its totient is φ = 32280264.

The previous prime is 64560533. The next prime is 64560539. The reversal of 64560536 is 63506546.

It is an interprime number because it is at equal distance from previous prime (64560533) and next prime (64560539).

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

It is a junction number, because it is equal to n+sod(n) for n = 64560496 and 64560505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64560533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4035026 + ... + 4035041.

Almost surely, 2^64560536 is an apocalyptic number.

It is an amenable number.

64560536 is a deficient number, since it is larger than the sum of its proper divisors (56490484).

64560536 is a wasteful number, since it uses less digits than its factorization.

64560536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070073 (or 8070069 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 64560536 is about 8034.9571249634. The cubic root of 64560536 is about 401.1643905311.

The spelling of 64560536 in words is "sixty-four million, five hundred sixty thousand, five hundred thirty-six".