63768546 has 64 divisors (see below), whose sum is σ = 146419200. Its totient is φ = 20820240.

The previous prime is 63768517. The next prime is 63768569. The reversal of 63768546 is 64586736.

63768546 is a `hidden beast` number, since 637 + 6 + 8 + 5 + 4 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266695 + ... + 266933.

It is an arithmetic number, because the mean of its divisors is an integer number (2287800).

Almost surely, 2^63768546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63768546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73209600).

63768546 is an abundant number, since it is smaller than the sum of its proper divisors (82650654).

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

63768546 is an equidigital number, since it uses as much as digits as its factorization.

63768546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 305 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 63768546 is about 7985.5210224506. The cubic root of 63768546 is about 399.5172217139.

The spelling of 63768546 in words is "sixty-three million, seven hundred sixty-eight thousand, five hundred forty-six".