72057244030057 has 16 divisors (see below), whose sum is σ = 84757776102720. Its totient is φ = 60393966091200.

The previous prime is 72057244029943. The next prime is 72057244030097. The reversal of 72057244030057 is 75003044275027.

It is a cyclic number.

It is not a de Polignac number, because 72057244030057 - 2¹¹ = 72057244028009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72057244029989 and 72057244030016.

It is not an unprimeable number, because it can be changed into a prime (72057244030097) 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, 306762507 + ... + 306997312.

It is an arithmetic number, because the mean of its divisors is an integer number (5297361006420).

Almost surely, 2^{72057244030057} is an apocalyptic number.

It is an amenable number.

72057244030057 is a deficient number, since it is larger than the sum of its proper divisors (12700532072663).

72057244030057 is a wasteful number, since it uses less digits than its factorization.

72057244030057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613760664.

The product of its (nonzero) digits is 1646400, while the sum is 46.

The spelling of 72057244030057 in words is "seventy-two trillion, fifty-seven billion, two hundred forty-four million, thirty thousand, fifty-seven".