72872032189 has 8 divisors (see below), whose sum is σ = 81345524832. Its totient is φ = 64706666640.

The previous prime is 72872032187. The next prime is 72872032217. The reversal of 72872032189 is 98123027827.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72872032189 - 2¹ = 72872032187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72872032187) 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 7 ways as a sum of consecutive naturals, for example, 77031274 + ... + 77032219.

It is an arithmetic number, because the mean of its divisors is an integer number (10168190604).

Almost surely, 2^72872032189 is an apocalyptic number.

It is an amenable number.

72872032189 is a deficient number, since it is larger than the sum of its proper divisors (8473492643).

72872032189 is a wasteful number, since it uses less digits than its factorization.

72872032189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154063547.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 72872032189 in words is "seventy-two billion, eight hundred seventy-two million, thirty-two thousand, one hundred eighty-nine".