7684944340 has 12 divisors (see below), whose sum is σ = 16138383156. Its totient is φ = 3073977728.

The previous prime is 7684944331. The next prime is 7684944409. The reversal of 7684944340 is 434494867.

It can be written as a sum of positive squares in 2 ways, for example, as 2719205316 + 4965739024 = 52146^2 + 70468^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192123589 + ... + 192123628.

It is an arithmetic number, because the mean of its divisors is an integer number (1344865263).

Almost surely, 2^7684944340 is an apocalyptic number.

It is an amenable number.

7684944340 is an abundant number, since it is smaller than the sum of its proper divisors (8453438816).

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

7684944340 is a wasteful number, since it uses less digits than its factorization.

7684944340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384247226 (or 384247224 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The square root of 7684944340 is about 87663.8143135467. The cubic root of 7684944340 is about 1973.3929641581.

The spelling of 7684944340 in words is "seven billion, six hundred eighty-four million, nine hundred forty-four thousand, three hundred forty".