72343677347 has 4 divisors (see below), whose sum is σ = 72344723880. Its totient is φ = 72342630816.

The previous prime is 72343677337. The next prime is 72343677349. The reversal of 72343677347 is 74377634327.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72343677347 - 2⁴ = 72343677331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72343677349) 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, 411638 + ... + 560475.

It is an arithmetic number, because the mean of its divisors is an integer number (18086180970).

Almost surely, 2^72343677347 is an apocalyptic number.

72343677347 is a deficient number, since it is larger than the sum of its proper divisors (1046533).

72343677347 is an equidigital number, since it uses as much as digits as its factorization.

72343677347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046532.

The product of its digits is 12446784, while the sum is 53.

The spelling of 72343677347 in words is "seventy-two billion, three hundred forty-three million, six hundred seventy-seven thousand, three hundred forty-seven".