64267056 has 120 divisors (see below), whose sum is σ = 207883520. Its totient is φ = 18154368.

The previous prime is 64267051. The next prime is 64267081. The reversal of 64267056 is 65076246.

64267056 is a `hidden beast` number, since 642 + 6 + 7 + 0 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 64267056.

It is not an unprimeable number, because it can be changed into a prime (64267051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103515 + ... + 104133.

Almost surely, 2^64267056 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 64267056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103941760).

64267056 is an abundant number, since it is smaller than the sum of its proper divisors (143616464).

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

64267056 is a wasteful number, since it uses less digits than its factorization.

64267056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 64267056 is about 8016.6736243906. The cubic root of 64267056 is about 400.5555945960. Note that the first 4 decimals are identical.

The spelling of 64267056 in words is "sixty-four million, two hundred sixty-seven thousand, fifty-six".