72382427745 has 16 divisors (see below), whose sum is σ = 117113143680. Its totient is φ = 38170208384.

The previous prime is 72382427743. The next prime is 72382427809. The reversal of 72382427745 is 54772428327.

It is a cyclic number.

It is not a de Polignac number, because 72382427745 - 2¹ = 72382427743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72382427743) 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, 27108189 + ... + 27110858.

It is an arithmetic number, because the mean of its divisors is an integer number (7319571480).

Almost surely, 2^72382427745 is an apocalyptic number.

It is an amenable number.

72382427745 is a deficient number, since it is larger than the sum of its proper divisors (44730715935).

72382427745 is a wasteful number, since it uses less digits than its factorization.

72382427745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54219144.

The product of its digits is 5268480, while the sum is 51.

The spelling of 72382427745 in words is "seventy-two billion, three hundred eighty-two million, four hundred twenty-seven thousand, seven hundred forty-five".