63766480 has 40 divisors (see below), whose sum is σ = 151880904. Its totient is φ = 24883200.

The previous prime is 63766471. The next prime is 63766501. The reversal of 63766480 is 8466736.

It can be written as a sum of positive squares in 4 ways, for example, as 659344 + 63107136 = 812^2 + 7944^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6441 + ... + 13000.

Almost surely, 2^63766480 is an apocalyptic number.

It is an amenable number.

63766480 is an abundant number, since it is smaller than the sum of its proper divisors (88114424).

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

63766480 is a wasteful number, since it uses less digits than its factorization.

63766480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19495 (or 19489 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 63766480 is about 7985.3916622793. The cubic root of 63766480 is about 399.5129070920.

It can be divided in two parts, 63766 and 480, that added together give a palindrome (64246).

The spelling of 63766480 in words is "sixty-three million, seven hundred sixty-six thousand, four hundred eighty".