63572473832 has 128 divisors (see below), whose sum is σ = 141571584000. Its totient is φ = 26199548928.

The previous prime is 63572473819. The next prime is 63572473837. The reversal of 63572473832 is 23837427536.

It is not an unprimeable number, because it can be changed into a prime (63572473837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45440669 + ... + 45442067.

It is an arithmetic number, because the mean of its divisors is an integer number (1106028000).

Almost surely, 2^63572473832 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 63572473832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70785792000).

63572473832 is an abundant number, since it is smaller than the sum of its proper divisors (77999110168).

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

63572473832 is a wasteful number, since it uses less digits than its factorization.

63572473832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735 (or 1731 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 50.

The spelling of 63572473832 in words is "sixty-three billion, five hundred seventy-two million, four hundred seventy-three thousand, eight hundred thirty-two".