63745456 has 40 divisors (see below), whose sum is σ = 130648880. Its totient is φ = 30046464.

The previous prime is 63745453. The next prime is 63745463. The reversal of 63745456 is 65454736.

It is not an unprimeable number, because it can be changed into a prime (63745453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83830 + ... + 84586.

It is an arithmetic number, because the mean of its divisors is an integer number (3266222).

Almost surely, 2^63745456 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 63745456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65324440).

63745456 is an abundant number, since it is smaller than the sum of its proper divisors (66903424).

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

63745456 is a wasteful number, since it uses less digits than its factorization.

63745456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1055 counting only the distinct ones).

The product of its digits is 302400, while the sum is 40.

The square root of 63745456 is about 7984.0751499469. The cubic root of 63745456 is about 399.4689953972.

The spelling of 63745456 in words is "sixty-three million, seven hundred forty-five thousand, four hundred fifty-six".