64587648 has 32 divisors (see below), whose sum is σ = 171561960. Its totient is φ = 21529088.

The previous prime is 64587583. The next prime is 64587659. The reversal of 64587648 is 84678546.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 64587597 and 64587606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83715 + ... + 84482.

Almost surely, 2^64587648 is an apocalyptic number.

It is an amenable number.

64587648 is an abundant number, since it is smaller than the sum of its proper divisors (106974312).

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

64587648 is a wasteful number, since it uses less digits than its factorization.

64587648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168214 (or 168202 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 64587648 is about 8036.6440757321. The cubic root of 64587648 is about 401.2205385925.

The spelling of 64587648 in words is "sixty-four million, five hundred eighty-seven thousand, six hundred forty-eight".