63775000 has 48 divisors (see below), whose sum is σ = 149521680. Its totient is φ = 25500000.

The previous prime is 63774989. The next prime is 63775027. The reversal of 63775000 is 57736.

It is a self number, because there is not a number n which added to its sum of digits gives 63775000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23725 + ... + 26275.

It is an arithmetic number, because the mean of its divisors is an integer number (3115035).

Almost surely, 2^63775000 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 63775000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74760840).

63775000 is an abundant number, since it is smaller than the sum of its proper divisors (85746680).

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

63775000 is an equidigital number, since it uses as much as digits as its factorization.

63775000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 63775000 is about 7985.9251186071. The cubic root of 63775000 is about 399.5306996082.

The spelling of 63775000 in words is "sixty-three million, seven hundred seventy-five thousand".