72188367037 has 4 divisors (see below), whose sum is σ = 72339073920. Its totient is φ = 72037660156.

The previous prime is 72188366953. The next prime is 72188367049. The reversal of 72188367037 is 73076388127.

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.

It is a cyclic number.

It is not a de Polignac number, because 72188367037 - 2¹⁵ = 72188334269 is a prime.

It is a super-2 number, since 2×72188367037² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72188367077) 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, 75352723 + ... + 75353680.

It is an arithmetic number, because the mean of its divisors is an integer number (18084768480).

Almost surely, 2^72188367037 is an apocalyptic number.

It is an amenable number.

72188367037 is a deficient number, since it is larger than the sum of its proper divisors (150706883).

72188367037 is a wasteful number, since it uses less digits than its factorization.

72188367037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150706882.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 72188367037 in words is "seventy-two billion, one hundred eighty-eight million, three hundred sixty-seven thousand, thirty-seven".