2472157717 has 16 divisors (see below), whose sum is σ = 2527398720. Its totient is φ = 2417703552.

The previous prime is 2472157711. The next prime is 2472157729. The reversal of 2472157717 is 7177512742.

It is a cyclic number.

It is not a de Polignac number, because 2472157717 - 2¹¹ = 2472155669 is a prime.

It is a super-2 number, since 2×2472157717² = 12223127555445304178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472157711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4726618 + ... + 4727140.

It is an arithmetic number, because the mean of its divisors is an integer number (157962420).

Almost surely, 2^2472157717 is an apocalyptic number.

It is an amenable number.

2472157717 is a deficient number, since it is larger than the sum of its proper divisors (55241003).

2472157717 is a wasteful number, since it uses less digits than its factorization.

2472157717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092.

The product of its digits is 192080, while the sum is 43.

The square root of 2472157717 is about 49720.7976303679. The cubic root of 2472157717 is about 1352.1516155043.

The spelling of 2472157717 in words is "two billion, four hundred seventy-two million, one hundred fifty-seven thousand, seven hundred seventeen".