63763668 has 72 divisors (see below), whose sum is σ = 174702528. Its totient is φ = 19531008.

The previous prime is 63763657. The next prime is 63763669. The reversal of 63763668 is 86636736.

63763668 is a `hidden beast` number, since 6 + 3 + 7 + 636 + 6 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63763669) 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, 25105 + ... + 27527.

It is an arithmetic number, because the mean of its divisors is an integer number (2426424).

Almost surely, 2^63763668 is an apocalyptic number.

63763668 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63763668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87351264).

63763668 is an abundant number, since it is smaller than the sum of its proper divisors (110938860).

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

63763668 is a wasteful number, since it uses less digits than its factorization.

63763668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493 (or 2488 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 63763668 is about 7985.2155888241. The cubic root of 63763668 is about 399.5070343785.

The spelling of 63763668 in words is "sixty-three million, seven hundred sixty-three thousand, six hundred sixty-eight".