63474944 has 36 divisors (see below), whose sum is σ = 136455396. Its totient is φ = 29294592.

The previous prime is 63474913. The next prime is 63474947. The reversal of 63474944 is 44947436.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4000000 + 59474944 = 2000^2 + 7712^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63474947) 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, 6209 + ... + 12864.

Almost surely, 2^63474944 is an apocalyptic number.

63474944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

63474944 is an abundant number, since it is smaller than the sum of its proper divisors (72980452).

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

63474944 is a wasteful number, since it uses less digits than its factorization.

63474944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19102 (or 19088 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 63474944 is about 7967.1164168725. The cubic root of 63474944 is about 398.9031282636.

The spelling of 63474944 in words is "sixty-three million, four hundred seventy-four thousand, nine hundred forty-four".