72452225427 has 4 divisors (see below), whose sum is σ = 96602967240. Its totient is φ = 48301483616.

The previous prime is 72452225369. The next prime is 72452225431.

72452225427 is nontrivially palindromic in base 10.

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 72452225427 - 2²⁰ = 72451176851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72452225927) 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, 12075370902 + ... + 12075370907.

It is an arithmetic number, because the mean of its divisors is an integer number (24150741810).

Almost surely, 2^72452225427 is an apocalyptic number.

72452225427 is a deficient number, since it is larger than the sum of its proper divisors (24150741813).

72452225427 is a wasteful number, since it uses less digits than its factorization.

72452225427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24150741812.

The product of its digits is 627200, while the sum is 42.

The spelling of 72452225427 in words is "seventy-two billion, four hundred fifty-two million, two hundred twenty-five thousand, four hundred twenty-seven".