63204736 has 64 divisors (see below), whose sum is σ = 150209280. Its totient is φ = 25901568.

The previous prime is 63204733. The next prime is 63204737. The reversal of 63204736 is 63740236.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 63204698 and 63204707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63204733) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19075 + ... + 22141.

It is an arithmetic number, because the mean of its divisors is an integer number (2347020).

Almost surely, 2^63204736 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 63204736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75104640).

63204736 is an abundant number, since it is smaller than the sum of its proper divisors (87004544).

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

63204736 is a wasteful number, since it uses less digits than its factorization.

63204736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111 (or 3099 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 63204736 is about 7950.1406276870. The cubic root of 63204736 is about 398.3362897645.

The spelling of 63204736 in words is "sixty-three million, two hundred four thousand, seven hundred thirty-six".