2472177842 has 16 divisors (see below), whose sum is σ = 3927993912. Its totient is φ = 1162905600.

The previous prime is 2472177817. The next prime is 2472177847. The reversal of 2472177842 is 2487712742.

It is a Cunningham number, because it is equal to 49721²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2472177841 + 1 = 49721^2 + 1^2 .

It is a super-2 number, since 2×2472177842² = 12223326564951553928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2472177793 and 2472177802.

It is not an unprimeable number, because it can be changed into a prime (2472177847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78842 + ... + 105642.

Almost surely, 2^2472177842 is an apocalyptic number.

2472177842 is a deficient number, since it is larger than the sum of its proper divisors (1455816070).

2472177842 is a wasteful number, since it uses less digits than its factorization.

2472177842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29533.

The product of its digits is 351232, while the sum is 44.

The square root of 2472177842 is about 49721.0000100561. Note that the first 4 decimals coincide. The cubic root of 2472177842 is about 1352.1552846307.

The spelling of 2472177842 in words is "two billion, four hundred seventy-two million, one hundred seventy-seven thousand, eight hundred forty-two".