63444068 has 12 divisors (see below), whose sum is σ = 117558252. Its totient is φ = 29856000.

The previous prime is 63444067. The next prime is 63444077. The reversal of 63444068 is 86044436.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52301824 + 11142244 = 7232^2 + 3338^2 .

It is not an unprimeable number, because it can be changed into a prime (63444061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466433 + ... + 466568.

It is an arithmetic number, because the mean of its divisors is an integer number (9796521).

Almost surely, 2^63444068 is an apocalyptic number.

63444068 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

63444068 is a deficient number, since it is larger than the sum of its proper divisors (54114184).

63444068 is a wasteful number, since it uses less digits than its factorization.

63444068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933022 (or 933020 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 63444068 is about 7965.1784662994. The cubic root of 63444068 is about 398.8384385358.

The spelling of 63444068 in words is "sixty-three million, four hundred forty-four thousand, sixty-eight".