72425452427 has 16 divisors (see below), whose sum is σ = 79645243392. Its totient is φ = 65561477760.

The previous prime is 72425452417. The next prime is 72425452433.

72425452427 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 72425452427 - 2⁸ = 72425452171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72425452417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335663 + ... + 507464.

It is an arithmetic number, because the mean of its divisors is an integer number (4977827712).

Almost surely, 2^72425452427 is an apocalyptic number.

72425452427 is a deficient number, since it is larger than the sum of its proper divisors (7219790965).

72425452427 is a wasteful number, since it uses less digits than its factorization.

72425452427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843338.

The product of its digits is 1254400, while the sum is 44.

The spelling of 72425452427 in words is "seventy-two billion, four hundred twenty-five million, four hundred fifty-two thousand, four hundred twenty-seven".