7182643056 has 80 divisors (see below), whose sum is σ = 19521646368. Its totient is φ = 2272665600.

The previous prime is 7182643043. The next prime is 7182643057. The reversal of 7182643056 is 6503462817.

It is a super-2 number, since 2×7182643056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7182642999 and 7182643017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7182643057) 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, 23496 + ... + 122136.

Almost surely, 2^7182643056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7182643056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9760823184).

7182643056 is an abundant number, since it is smaller than the sum of its proper divisors (12339003312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7182643056 is a wasteful number, since it uses less digits than its factorization.

7182643056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98730 (or 98724 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 7182643056 is about 84750.4752553046. The cubic root of 7182643056 is about 1929.4258590912.

The spelling of 7182643056 in words is "seven billion, one hundred eighty-two million, six hundred forty-three thousand, fifty-six".