63754866 has 48 divisors (see below), whose sum is σ = 160864704. Its totient is φ = 17870112.

The previous prime is 63754849. The next prime is 63754891. The reversal of 63754866 is 66845736.

63754866 is a `hidden beast` number, since 637 + 5 + 4 + 8 + 6 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1905 + ... + 11451.

It is an arithmetic number, because the mean of its divisors is an integer number (3351348).

Almost surely, 2^63754866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63754866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80432352).

63754866 is an abundant number, since it is smaller than the sum of its proper divisors (97109838).

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

63754866 is a wasteful number, since it uses less digits than its factorization.

63754866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9615 (or 9612 counting only the distinct ones).

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

The square root of 63754866 is about 7984.6644262611. The cubic root of 63754866 is about 399.4886507501.

It can be divided in two parts, 63754 and 866, that added together give a triangular number (64620 = T₃₅₉).

The spelling of 63754866 in words is "sixty-three million, seven hundred fifty-four thousand, eight hundred sixty-six".