63452644 has 12 divisors (see below), whose sum is σ = 112142268. Its totient is φ = 31412000.

The previous prime is 63452617. The next prime is 63452659. The reversal of 63452644 is 44625436.

63452644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56430144 + 7022500 = 7512^2 + 2650^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78127 + ... + 78934.

It is an arithmetic number, because the mean of its divisors is an integer number (9345189).

Almost surely, 2^63452644 is an apocalyptic number.

It is an amenable number.

63452644 is a deficient number, since it is larger than the sum of its proper divisors (48689624).

63452644 is a wasteful number, since it uses less digits than its factorization.

63452644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157166 (or 157164 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

The square root of 63452644 is about 7965.7167913503. The cubic root of 63452644 is about 398.8564086127.

The spelling of 63452644 in words is "sixty-three million, four hundred fifty-two thousand, six hundred forty-four".