63099712 has 56 divisors (see below), whose sum is σ = 136017000. Its totient is φ = 28870656.

The previous prime is 63099623. The next prime is 63099727. The reversal of 63099712 is 21799036.

It can be written as a sum of positive squares in 4 ways, for example, as 1382976 + 61716736 = 1176^2 + 7856^2 .

It is a congruent number.

It is an unprimeable number.

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, 123714 + ... + 124222.

It is an arithmetic number, because the mean of its divisors is an integer number (2428875).

Almost surely, 2^63099712 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 63099712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68008500).

63099712 is an abundant number, since it is smaller than the sum of its proper divisors (72917288).

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

63099712 is a wasteful number, since it uses less digits than its factorization.

63099712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 63099712 is about 7943.5327153603. The cubic root of 63099712 is about 398.1155359298.

The spelling of 63099712 in words is "sixty-three million, ninety-nine thousand, seven hundred twelve".