72365345427 has 8 divisors (see below), whose sum is σ = 97223670720. Its totient is φ = 47875291880.

The previous prime is 72365345413. The next prime is 72365345453. The reversal of 72365345427 is 72454356327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72365345427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72365345497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92067477 + ... + 92068262.

It is an arithmetic number, because the mean of its divisors is an integer number (12152958840).

Almost surely, 2^72365345427 is an apocalyptic number.

72365345427 is a deficient number, since it is larger than the sum of its proper divisors (24858325293).

72365345427 is a wasteful number, since it uses less digits than its factorization.

72365345427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184135873.

The product of its digits is 4233600, while the sum is 48.

The spelling of 72365345427 in words is "seventy-two billion, three hundred sixty-five million, three hundred forty-five thousand, four hundred twenty-seven".