72152672273 has 16 divisors (see below), whose sum is σ = 84213032640. Its totient is φ = 61122340800.

The previous prime is 72152672269. The next prime is 72152672279. The reversal of 72152672273 is 37227625127.

It is a cyclic number.

It is not a de Polignac number, because 72152672273 - 2² = 72152672269 is a prime.

It is a super-2 number, since 2×72152672273² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72152672279) 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 15 ways as a sum of consecutive naturals, for example, 2816990 + ... + 2842487.

It is an arithmetic number, because the mean of its divisors is an integer number (5263314540).

Almost surely, 2^72152672273 is an apocalyptic number.

It is an amenable number.

72152672273 is a deficient number, since it is larger than the sum of its proper divisors (12060360367).

72152672273 is a wasteful number, since it uses less digits than its factorization.

72152672273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659568.

The product of its digits is 493920, while the sum is 44.

The spelling of 72152672273 in words is "seventy-two billion, one hundred fifty-two million, six hundred seventy-two thousand, two hundred seventy-three".