72334922197 has 4 divisors (see below), whose sum is σ = 74668306816. Its totient is φ = 70001537580.

The previous prime is 72334922171. The next prime is 72334922207. The reversal of 72334922197 is 79122943327.

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 an emirpimes, since its reverse is a distinct semiprime: 79122943327 = 643 ⋅123052789.

It is a cyclic number.

It is not a de Polignac number, because 72334922197 - 2¹¹ = 72334920149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72334922197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72334922117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166692263 + ... + 1166692324.

It is an arithmetic number, because the mean of its divisors is an integer number (18667076704).

Almost surely, 2^72334922197 is an apocalyptic number.

It is an amenable number.

72334922197 is a deficient number, since it is larger than the sum of its proper divisors (2333384619).

72334922197 is a wasteful number, since it uses less digits than its factorization.

72334922197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333384618.

The product of its digits is 1143072, while the sum is 49.

The spelling of 72334922197 in words is "seventy-two billion, three hundred thirty-four million, nine hundred twenty-two thousand, one hundred ninety-seven".