72152636233 has 4 divisors (see below), whose sum is σ = 72153450000. Its totient is φ = 72151822468.

The previous prime is 72152636203. The next prime is 72152636239. The reversal of 72152636233 is 33263625127.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33263625127 = 17 ⋅1956683831.

It is a cyclic number.

It is not a de Polignac number, because 72152636233 - 2⁵ = 72152636201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72152636239) 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 3 ways as a sum of consecutive naturals, for example, 254983 + ... + 457516.

It is an arithmetic number, because the mean of its divisors is an integer number (18038362500).

Almost surely, 2^72152636233 is an apocalyptic number.

It is an amenable number.

72152636233 is a deficient number, since it is larger than the sum of its proper divisors (813767).

72152636233 is a wasteful number, since it uses less digits than its factorization.

72152636233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813766.

The product of its digits is 272160, while the sum is 40.

The spelling of 72152636233 in words is "seventy-two billion, one hundred fifty-two million, six hundred thirty-six thousand, two hundred thirty-three".