63473634 has 72 divisors (see below), whose sum is σ = 163051200. Its totient is φ = 17480736.

The previous prime is 63473593. The next prime is 63473639. The reversal of 63473634 is 43637436.

63473634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (108864) is a multiple of the sum of its prime factors (672).

It is not an unprimeable number, because it can be changed into a prime (63473639) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 105667 + ... + 106265.

It is an arithmetic number, because the mean of its divisors is an integer number (2264600).

Almost surely, 2^63473634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63473634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81525600).

63473634 is an abundant number, since it is smaller than the sum of its proper divisors (99577566).

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

63473634 is a wasteful number, since it uses less digits than its factorization.

63473634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 640 counting only the distinct ones).

The product of its digits is 108864, while the sum is 36.

The square root of 63473634 is about 7967.0342035164. The cubic root of 63473634 is about 398.9003840486.

The spelling of 63473634 in words is "sixty-three million, four hundred seventy-three thousand, six hundred thirty-four".