72743947196 has 12 divisors (see below), whose sum is σ = 127447069848. Its totient is φ = 36330498672.

The previous prime is 72743947193. The next prime is 72743947231. The reversal of 72743947196 is 69174934727.

It is a happy number.

It is a super-3 number, since 3×72743947196³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72743947193) 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, 10364786 + ... + 10371801.

It is an arithmetic number, because the mean of its divisors is an integer number (10620589154).

Almost surely, 2^72743947196 is an apocalyptic number.

It is an amenable number.

72743947196 is a deficient number, since it is larger than the sum of its proper divisors (54703122652).

72743947196 is a wasteful number, since it uses less digits than its factorization.

72743947196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20737468 (or 20737466 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 59.

The spelling of 72743947196 in words is "seventy-two billion, seven hundred forty-three million, nine hundred forty-seven thousand, one hundred ninety-six".