63344660 has 12 divisors (see below), whose sum is σ = 133023828. Its totient is φ = 25337856.

The previous prime is 63344647. The next prime is 63344683. The reversal of 63344660 is 6644336.

It can be written as a sum of positive squares in 2 ways, for example, as 44142736 + 19201924 = 6644^2 + 4382^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583597 + ... + 1583636.

It is an arithmetic number, because the mean of its divisors is an integer number (11085319).

Almost surely, 2^63344660 is an apocalyptic number.

It is an amenable number.

63344660 is an abundant number, since it is smaller than the sum of its proper divisors (69679168).

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

63344660 is a wasteful number, since it uses less digits than its factorization.

63344660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167242 (or 3167240 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 63344660 is about 7958.9358585178. The cubic root of 63344660 is about 398.6300215879.

Adding to 63344660 its reverse (6644336), we get a palindrome (69988996).

The spelling of 63344660 in words is "sixty-three million, three hundred forty-four thousand, six hundred sixty".