63187434 has 12 divisors (see below), whose sum is σ = 136906146. Its totient is φ = 21062472.

The previous prime is 63187429. The next prime is 63187451. The reversal of 63187434 is 43478136.

63187434 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 only one way, i.e., 51796809 + 11390625 = 7197^2 + 3375^2 .

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 5 ways as a sum of consecutive naturals, for example, 1755189 + ... + 1755224.

Almost surely, 2^63187434 is an apocalyptic number.

63187434 is an abundant number, since it is smaller than the sum of its proper divisors (73718712).

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

63187434 is a wasteful number, since it uses less digits than its factorization.

63187434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510421 (or 3510418 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 63187434 is about 7949.0523963552. The cubic root of 63187434 is about 398.2999388837.

The spelling of 63187434 in words is "sixty-three million, one hundred eighty-seven thousand, four hundred thirty-four".