17872549272 has 96 divisors (see below), whose sum is σ = 50981112000. Its totient is φ = 5640788160.

The previous prime is 17872549237. The next prime is 17872549309. The reversal of 17872549272 is 27294527871.

17872549272 is a `hidden beast` number, since 1 + 7 + 8 + 72 + 549 + 27 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4116879 + ... + 4121217.

It is an arithmetic number, because the mean of its divisors is an integer number (531053250).

Almost surely, 2^17872549272 is an apocalyptic number.

17872549272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17872549272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25490556000).

17872549272 is an abundant number, since it is smaller than the sum of its proper divisors (33108562728).

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

17872549272 is a wasteful number, since it uses less digits than its factorization.

17872549272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7381 (or 7374 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The spelling of 17872549272 in words is "seventeen billion, eight hundred seventy-two million, five hundred forty-nine thousand, two hundred seventy-two".