72483438427 has 4 divisors (see below), whose sum is σ = 72492548920. Its totient is φ = 72474327936.

The previous prime is 72483438347. The next prime is 72483438431.

72483438427 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 72483438427 - 2²³ = 72475049819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72483438497) 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, 4543302 + ... + 4559227.

It is an arithmetic number, because the mean of its divisors is an integer number (18123137230).

Almost surely, 2^72483438427 is an apocalyptic number.

72483438427 is a deficient number, since it is larger than the sum of its proper divisors (9110493).

72483438427 is an equidigital number, since it uses as much as digits as its factorization.

72483438427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110492.

The product of its digits is 7225344, while the sum is 52.

The spelling of 72483438427 in words is "seventy-two billion, four hundred eighty-three million, four hundred thirty-eight thousand, four hundred twenty-seven".