64067648 has 28 divisors (see below), whose sum is σ = 128381760. Its totient is φ = 31719552.

The previous prime is 64067621. The next prime is 64067659. The reversal of 64067648 is 84676046.

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, 1733 + ... + 11451.

Almost surely, 2^64067648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64067648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64190880).

64067648 is an abundant number, since it is smaller than the sum of its proper divisors (64314112).

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

64067648 is a wasteful number, since it uses less digits than its factorization.

64067648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9834 (or 9824 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 64067648 is about 8004.2268833411. The cubic root of 64067648 is about 400.1408837070.

The spelling of 64067648 in words is "sixty-four million, sixty-seven thousand, six hundred forty-eight".