7681244930 has 16 divisors (see below), whose sum is σ = 13963136184. Its totient is φ = 3042076800.

The previous prime is 7681244911. The next prime is 7681244941. The reversal of 7681244930 is 394421867.

It can be written as a sum of positive squares in 4 ways, for example, as 6140132881 + 1541112049 = 78359^2 + 39257^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3801587 + ... + 3803606.

Almost surely, 2^7681244930 is an apocalyptic number.

7681244930 is a deficient number, since it is larger than the sum of its proper divisors (6281891254).

7681244930 is a wasteful number, since it uses less digits than its factorization.

7681244930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7605301.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 7681244930 is about 87642.7117905419. The cubic root of 7681244930 is about 1973.0762600031.

The spelling of 7681244930 in words is "seven billion, six hundred eighty-one million, two hundred forty-four thousand, nine hundred thirty".