32672449872 has 80 divisors (see below), whose sum is σ = 99298644480. Its totient is φ = 10250178048.

The previous prime is 32672449867. The next prime is 32672449879. The reversal of 32672449872 is 27894427623.

32672449872 is a `hidden beast` number, since 3 + 2 + 67 + 24 + 498 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32672449879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2217088 + ... + 2231775.

It is an arithmetic number, because the mean of its divisors is an integer number (1241233056).

Almost surely, 2^32672449872 is an apocalyptic number.

It is an amenable number.

32672449872 is an abundant number, since it is smaller than the sum of its proper divisors (66626194608).

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

32672449872 is a wasteful number, since it uses less digits than its factorization.

32672449872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448897 (or 4448885 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 32672449872 in words is "thirty-two billion, six hundred seventy-two million, four hundred forty-nine thousand, eight hundred seventy-two".