7681873056 has 96 divisors (see below), whose sum is σ = 23690294208. Its totient is φ = 2148771840.

The previous prime is 7681873051. The next prime is 7681873057. The reversal of 7681873056 is 6503781867.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×7681873056² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7681873051) 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, 266061 + ... + 293516.

It is an arithmetic number, because the mean of its divisors is an integer number (246773898).

Almost surely, 2^7681873056 is an apocalyptic number.

It is an amenable number.

7681873056 is an abundant number, since it is smaller than the sum of its proper divisors (16008421152).

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

7681873056 is a wasteful number, since it uses less digits than its factorization.

7681873056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559614 (or 559606 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 7681873056 is about 87646.2951641426. The cubic root of 7681873056 is about 1973.1300406394.

The spelling of 7681873056 in words is "seven billion, six hundred eighty-one million, eight hundred seventy-three thousand, fifty-six".