63814720 has 56 divisors (see below), whose sum is σ = 155228544. Its totient is φ = 24976896.

The previous prime is 63814687. The next prime is 63814721. The reversal of 63814720 is 2741836.

63814720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63814721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12919 + ... + 17161.

Almost surely, 2^63814720 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 63814720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77614272).

63814720 is an abundant number, since it is smaller than the sum of its proper divisors (91413824).

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

63814720 is a wasteful number, since it uses less digits than its factorization.

63814720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307 (or 4297 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 63814720 is about 7988.4116068215. The cubic root of 63814720 is about 399.6136269098.

The spelling of 63814720 in words is "sixty-three million, eight hundred fourteen thousand, seven hundred twenty".