72438754183 has 16 divisors (see below), whose sum is σ = 74233589760. Its totient is φ = 70654955616.

The previous prime is 72438754139. The next prime is 72438754207. The reversal of 72438754183 is 38145783427.

It is not a de Polignac number, because 72438754183 - 2²⁵ = 72405199751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72438754183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72438754103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18798685 + ... + 18802537.

It is an arithmetic number, because the mean of its divisors is an integer number (4639599360).

Almost surely, 2^72438754183 is an apocalyptic number.

72438754183 is a deficient number, since it is larger than the sum of its proper divisors (1794835577).

72438754183 is a wasteful number, since it uses less digits than its factorization.

72438754183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166.

The product of its digits is 4515840, while the sum is 52.

The spelling of 72438754183 in words is "seventy-two billion, four hundred thirty-eight million, seven hundred fifty-four thousand, one hundred eighty-three".